polar microtubules contract, pulling attached chromosomes toward the poles is not an event that occurs during mitosis.
define microtubules ?
Microtubules are cylindrical structures composed of protein subunits called tubulin. They play a critical role in several cellular processes, including maintaining cell shape, cell division, and intracellular transport of materials.
Microtubules are a component of the cytoskeleton, which is a network of protein fibers that helps to maintain the structural integrity of cells and aids in cellular movement.
They are involved in the formation of spindle fibers that separate chromosomes during cell division and the formation of cilia and flagella, which are involved in cellular motility.
polar microtubules contract, pulling attached chromosomes toward the poles is not an event that occurs during mitosis. During anaphase, the polar microtubules (also called spindle fibers) lengthen and push the two poles of the cell away from each other, causing the sister chromatids to separate and move toward opposite poles.
The separation of chromatids is facilitated by the shortening of the polar microtubules. So the correct answer is A.
To learn more about chromosomes follow the given link: https://brainly.com/question/11912112
#SPJ1
Fossil records are used to support evolution, but they're not complete. In fact, large gaps exist. In many cases the evolution of a species cannot be completely traced. How is the fossil record used to support evolution if there are so many missing pieces?
Responses
A.Scientists use the tissue of fossilized organisms to conduct DNA testing to determine evolutionary relationships
B.Scientists only focus on those fossilized species which have a complete record.
C.Scientists can build models of more complex organisms from the vast collection of fossilized remains of simple organisms.
D.Scientists can make inferences regarding the gap in the fossil record by combining their documented research, measurements and observations.
Scientists can make inferences regarding the gap in the fossil record by combining their documented research, measurements, and observations. The fossil record provides a valuable resource for studying the history of life on Earth.
By examining the fossils that have been found, scientists can make inferences about the evolution of species and the relationships between different groups of organisms. They can use the information gathered from fossils to construct evolutionary trees and to develop hypotheses about how different groups of organisms are related. Additionally, advances in technology have allowed scientists to study fossils in new ways, such as conducting DNA testing, which can provide additional evidence for evolutionary relationships.
Learn more about Fossil :
https://brainly.com/question/28122522
#SPJ4
QuestionHow many nucleotides in messenger RNA's sequence makes a codon for an amino acid?AThreeBFourCOneDTwoMedium
The number of nucleotides in m-RNA's sequence that makes a codon for an amino acid is: (A) Three.
Nucleotides are the basic building blocks of the two nucleic acids DNA and RNA. The nucleotide is composed of a nitrogenous base, pentose sugar and a phosphate group. They are required for the processes of replication and transcription.
Codons are the combinations of triplet sequences of nucleotides of RNA that code for an amino acid during the process of translation. For example codon AUG encodes for the amino acid methionine. There are a total of 64 codons encoded by the 4 nucleotides.
To know more about codons, here
brainly.com/question/9382652
#SPJ4
A scientist wants to perform an analysis on a segment of DNA. Which of these would a PCR most help the scientist to do?
Make billions of copies of the DNA segment in a short amount of time
PCR (polymerase chain reaction) is a powerful molecular biology technique that allows a scientist to make billions of copies of a specific segment of DNA in a short amount of time.
Therefore, if a scientist wants to perform an analysis on a segment of DNA, PCR would most help the scientist to make multiple copies of the DNA segment.
PCR works by using a DNA polymerase enzyme to synthesize new strands of DNA that are complementary to the target DNA segment. The process involves cycles of heating and cooling that allow the DNA to denature and then reanneal, creating multiple copies of the target sequence.
By amplifying the DNA segment of interest, PCR allows a scientist to generate enough DNA for further analysis, such as DNA sequencing, genetic engineering, or diagnostic testing. PCR is widely used in many fields of research, including genetics, medicine, and forensics.
Overall, PCR is an essential tool for scientists who need to study specific segments of DNA, as it allows them to generate large quantities of DNA from very small samples, enabling more detailed analysis and deeper insights into the biology of living organisms.
Learn more about PCR here:
https://brainly.com/question/19670710
#SPJ4
True/False. digested fats are absorbed from the intestine by the lymph capillaries.
It is TRUE that the digested fats are absorbed from the intestine by the lymph capillaries.
The lipids that have been digested from the colon are absorbed by lymph capillaries called lacteals. Lacteals, specialized lymphatic veins, are found in the lining of the small intestine. They are in charge of collecting nutrients that are fat-soluble from the small intestine and transporting them to the bloodstream through the lymphatic system. Larger molecules like lipids can be absorbed by lacteals since they have larger openings than blood capillaries. Ingested lipids and proteins combine to generate chylomicrons, which are ultimately transported and released into the bloodstream via the lymphatic system. Once the lipids have been absorbed, the lymphatic system transports them to the thoracic duct, where they eventually enter the bloodstream.
To know more about lacteals
brainly.com/question/9905259
#SPJ4
why was detergent added to the solution
The detergent was added to the solution so that we can allow the sodium bicarbonate to enter the cell for the reaction to take place.
Photosynthesis is a chemical process by which the plant basically prepares its own food using water, oxygen as well as sunlight. In an experiment to study the rate of photosynthesis, detergent was basically added to the solution and this was done because soap is able to break down molecules which are present on the surface of the leaf.
This allows the bicarbonate solution to easily enter into the leaf and allow the reaction to take place. The sodium bicarbonate here basically serves as the source of carbon for photosynthesis to occur.
To know more about photosynthesis
https://brainly.com/question/29764662
#SPJ4
--The given question is incomplete, the complete question is
"We are conducting an experiment to understand the rate of photosynthesis. We add detergent to the solution. Why was detergent added to the solution?"--
Using the completed karyotype, answer the following questions:
Is this individual male or female? How can you tell?
How many chromosomes does this individual have?
Give two examples of what would occur if one of the pairs did not match or had an extra chromosomes. Explain how this might occur, and if it would be dangerous to the individual.
Karyotypes provide information about the individual's chromosomic dotation, sex, and abnormalities or affections. 1) This is a male's karyotype. It has an X and a Y chromosome. 2) This individual has 46 chromosomes. 3) Down syndrome (extra chromosome is pair 21). Turner syndrome (missing X chromosome in females)
What is a karyotype?A karyotype is a term used to refer to the complete set of an individual's chromosomes. It refers to the total number of chromosomes found in each individual cell. The karyotype is the individual's chromosomic dotation.
Each species has its own karyotype because the number of chromosomes per species might vary. For instance,
• The karyotype of human beings is composed of 23 pairs of chromosomes or 46 chromosomes.
• The karyotype of Drosophila melanogaster is composed of 4 pairs of chromosomes.
Whenever there is affection, karyotypes might vary among individuals of the same species. For example, people affected by Down syndrome have 47 chromosomes. This is because in pair 21 there is an extra chromsomose due to a chromosomic segregation failure during meiosis.
The karyotype concept can also be used to refer to clinical diagnosis.
Following the provided karyotype, and assuming the small gray chromosome is the Y chromosome (attached image)
1) the individual is a male. You can tell because there is an X and a Y chromosome.
2) This individual has 46 chromosomes,
n = 23 chromosomes2n = 46 chromosomes3) Non-disjunction is the mistake during segregation that results in the production of gametes containing a greater or lesser number of chromosomes than is found in a normal cell. Consequently, the individual may develop a trisomy or monosomy.
Down syndrome ⇒ If there is an extra chromosome in pair 21, the individual has 47 chromosomes instead of 46. Turner syndrome ⇒ If one of the X chromosomes is missing we might be referring to the Turner sundrome. It occurs only in females and produces a chromosomic set of 45 chromosomes.You can learn more about karyotypes at
https://brainly.com/question/21086814
#SPJ1
what is metaphase of mitosis
Metaphase of mitosis is a phase in which the chromosomes present in the cells and align themselves at the equator.
Cells divide in order to give rise to two daughter cells. They do this through the process known as cell division or cell cycle. Cells cycle occurs through a number of phases. These phases are the prophase, metaphase, anaphase and telophase and then the cell finally divides in half. There are two types of cell division which is mitosis as well as meiosis.
Metaphase is basically a stage present in the process of cell division (which can be either mitosis or meiosis). Usually, the individual chromosomes are found to be spread out in the nucleus of the cell. During metaphase, the nucleus basically dissolves and the chromosomes of the cell get condensed and end up aligning at the equator or the center of the dividing cell.
To know more about mitosis here
https://brainly.com/question/26678449
#SPJ4
what is the double membrane that encloses the nucleus?
The nuclear envelope is seen here. The nuclear membrane is a double membrane that surrounds the nucleus.
The inner and outer membranous layers that make up the nuclear membrane are what surround the nucleus. The inner nucleus, which contains DNA (deoxyribonucleic acid) & chromosomes, is separated from the cell organelles & cytoplasm by the nuclear membrane. Some chemicals can pass through the holes in the nuclear membrane on a selective basis. The cell's nucleus, which houses the chromosomes, is enclosed by the nuclear membrane, which is composed of two layers. The inner & outer nuclear membranes are a system of two circular membranes that enclose the nucleus. The distance between the inner & outside nuclear membranes is caused by the outer nuclear membrane's continuous connection to the endoplasmic reticulum.
Learn more about membrane
https://brainly.com/question/26872631
#SPJ4
the effect of hormones is slower than the effect of neurotransmitters because hormones
The effect of hormones is slower than the effect of neurotransmitters because hormones are released into the bloodstream and must travel to their target cells throughout the body.
This means that hormones must first be transported from their site of Release to their target cells via the circulatory system, which can take some time. Once hormones reach their target cells, they bind to specific Receptors on the cell surface or inside the cell.
In contrast, neurotransmitters are released by neurons and act rapidly on their target cells, which are usually in close proximity to the releasing Neuron.
Overall, the slower effect of hormones allows for more sustained and long-lasting changes in the body, while the rapid effect of Neurotransmitters allows for quick and precise communication between Neurons.
To learn more about Neurotransmitters
https://brainly.com/question/28101943
#SPJ4
What are the steps of applying immersion oil in the correct sequence?
Answer:
Explanation:
Immersion oil is used in light microscopy to increase the resolution of the image by reducing the amount of light that is scattered as it passes through the specimen. To apply immersion oil correctly, the following steps should be followed:
Focus the microscope on the specimen of interest using the 40x or higher objective lens.
Rotate the nosepiece to the 100x (or higher) objective lens and move the lens into position over the specimen.
Apply a small drop of immersion oil to the center of the specimen.
Use the fine adjustment knob to move the objective lens closer to the specimen until the lens is almost touching the oil drop.
Slowly turn the focusing knob to move the lens slightly away from the specimen until the image comes into focus.
Do not move the slide or the lens while viewing the specimen.
When finished, use lens paper to wipe off any excess oil from the objective lens.
It is important to use immersion oil correctly and to clean the objective lens thoroughly after use to prevent any residue from interfering with the performance of the lens. Using immersion oil in the correct sequence will help to produce a clearer, higher resolution image in light microscopy.
when did we get sweet printed messages on conversation hearts?
Discussion hearts were constructed by the New England Candy Company( NECCO) in 1902. Firstly called dears, this delicious and chalky treat was stamped with sweet aphorisms and vented.
Also, in 1866, discussion hearts were officially born once his family, Daniel Chase, discovered a way to stamp words directly onto the delicacies with red vegetable color. The heart-shaped discussion delicacies to be called dears got they're launched in 1901. Other styles were formerly produced similarly as tablets, cards, horseshoes, watches, and baseballs.
Daniel's delicacy publishing machine was a huge success, and soon aphorisms were being pressed into all feathers of shapes – from clovers to steed shoes. But, in 1902, as the fashionability of Valentine's Day was growing, these sweet aphorisms delicacies began being produced on a heart shape! Therefore the creation of the Conversation Heart.
To learn more about aphorisms, visit here
https://brainly.com/question/22009245
#SPJ4
Primary consumers are members of an ecosystem that only eat producers (plants). They are also known as herbivores (plant eaters). Which organisms in the Desert Biome Food Web below are primary consumers? (MARK ALL THAT APPLY)
Choices:
grass
kangaroo rat
rabbit
hawk
star cactus
cactus
The primary consumers in the Desert Biome Food Web below are:
kangaroo, rat and rabbit.
Explain about the Desert Biome Food Web?An illustration of the energy flow between organisms with in desert biome is the food chain.
The producers in the desert food chain are species that produce their own food, and the consumers are organisms that need to eat to obtain energy.
There are separate consumer kinds exist:
Primary consumers are herbivores, meaning animals that really only eat plants, and only consume producers.Secondary consumers consume primary consumers and can be either omnivores, who exclusively consume plants and animals, or carnivores, which only devour other animals.Secondary and primary consumers are both eaten by tertiary consumers.The development and concentration of important minerals is encouraged by desert habitats. Deserts accumulate potassium, nitrates, calcium, and borates as a result of evaporating water used to transport the minerals.Thus, the primary consumers in the Desert Biome Food Web below are:
kangaroo, rat and rabbit.
To know more about the Desert Biome Food Web, here
https://brainly.com/question/22123
#SPJ1
Which organ has both digestive and endocrine functions?a. Pancreasb. Pituitaryc. Thyroidd. Adrenale. Cortex
The organ that has both digestive and endocrine functions is a, Pancreas. An exocrine gland, it secretes pancreatic fluid that carries bicarbonate and digestive enzymes.
The pancreas is an stomach organ owning each endocrine and exocrine functions. It produces a whole lot of hormones that frequently pertain to regulating blood sugar levels. As an exocrine gland, it secretes pancreatic fluid that carries bicarbonate and digestive enzymes. The pancreas is each an endocrine and exocrine organ. It releases sure enzymes to resource in digestion introduced to the intestine through the pancreatic duct. The endocrine pancreas additionally releases hormones which include insulin and glucagon, which might be hormones predominantly associated with glucose metabolism, into the blood stream. The mind and the endocrine device manipulate digestive processes. The mind controls the responses of starvation and satiety.
Thus, the correct option is a.
To learn more about pancreas check the link below-
https://brainly.com/question/9784737
#SPJ4
where are algae most likely to be found?
Algae most likely to be found in Moist terrestrial habitats and Surface of oceans, lakes, and streams.
Algae can be found in a wide range of environments, including freshwater, seawater, soil, and even the surfaces of plants and trees. They are most common in aquatic environments like oceans, lakes, rivers, and ponds. Algae can grow in both saltwater and freshwater environments, and they can be found in both shallow and deep water. Algae can be found in both natural and man-made environments, such as swimming pools, aquariums, and wastewater treatment systems. Some algae species can also grow on moist surfaces like rocks, tree trunks, and other plants.
Algae are photosynthetic organisms that range in size from single-celled microalgae to large multicellular seaweeds. They play an important role in the ecosystem by producing oxygen through photosynthesis and providing food for other organisms. Algae can also be used for a variety of commercial applications, such as food and feed production, biofuels, and pharmaceuticals.
Algae come in a variety of shapes, sizes, and colours, and different types of algae are frequently adapted to specific environments.
While algae play a variety of important roles in the ecosystem, some algae species can also cause harmful algal blooms (HABs), which can release toxins that are harmful to humans and marine life. These blooms can happen when certain types of algae grow quickly due to nutrient pollution or other factors. HABs can have a number of negative effects, including harming human health, harming marine ecosystems, and reducing seafood availability.
For more question on photosynthetic click on
https://brainly.com/question/13027734
#SPJ4
What is soil and its layers?
Soil is dirty stuff that forms in place from the local rocks and minerals. The Layers of soil are 1) Bedrock 2) Parent Material 3) Subsoil 4)Topsoil 5) Organic Layer
Bedrock – The rocks supporting us are called bedrock, or rocks that formed in place.
Parent Material – Parent material is bits of bedrock that are found broken up into smaller pieces at the first soil layer just above the bedrock.
Subsoil – A subsoil is a layer of soil made of small particles but has very little organic material.
Topsoil – Topsoil is the layer that plants love! This layer contains more organic material than the subsoil.
Organic Layer – This is a layer of organic material over top of the topsoil.
To learn more about Soil
https://brainly.com/question/23813511
#SPJ4
Select the findings of Erwin Chargaff regarding DNA composition.
a. pyrimidines = purines
b. G = A
c. A = T
d. G=C
e. C = T
The correct options are a. pyrimidines = purines,d. G=C. Erwin Chargaff was a biochemist who made significant contributions to the understanding of DNA composition.
He observed that the amount of adenine (A) in DNA is equal to the amount of thymine (T), and the amount of guanine (G) is equal to the amount of cytosine (C). This is known as Chargaff's rule, and it indicates that the four nucleotide bases in DNA are paired in specific ways: A with T, and G with C. Therefore, options b and c (G = A and A = T) and option e (C = T) are incorrect . Option a (pyrimidines = purines) is correct because Chargaff also observed that the total amount of pyrimidines (C and T) in DNA is equal to the total amount of purines (A and G), which is in agreement with the base-pairing rule. Option d (G = C) is correct because it is part of the base-pairing rule.Chargaff discovered that in DNA, the amount of adenine (A) is equal to the amount of thymine (T), and the amount of guanine (G) is equal to the amount of cytosine (C). This is known as Chargaff's rule, and it was an important clue that helped Watson and Crick to discover the base-pairing rule that holds the two strands of the double helix together. Chargaff's rule means that the four nucleotide bases in DNA are paired in specific ways: A with T, and G with C. The base-pairing rule states that the hydrogen bonds between the bases in the double helix are formed only between A and T, and between G and C. This means that the sequence of one strand of the double helix can be used to predict the sequence of the other strand. Chargaff also observed that the total amount of pyrimidines (C and T) in DNA is equal to the total amount of purines (A and G).
To learn more about pyrimidines refer to this link
https://brainly.com/question/13834173
#SPJ4
Which section of MyPlate is the least significant source of carbohydrate?
A) Grains
B) Vegetables
C) Fruits
D) Protein
E) Dairy
The MyPlate protein portion has the fewest carbohydrates overall. A macronutrient is a nutrient that we require in higher concentrations and contains protein, fat, and carbohydrates to provide us calories.
How does protein affect your body?An essential component of a balanced diet is protein. Amino acids are the chemical "building blocks" that make up proteins. Amino acids are used by your body to create hormones, enzymes, and to build or repair muscles and bones. They may be utilized as a source of energy as well.
What occurs when you don't get enough protein?A severe protein deficit can hinder children's growth, contribute to fatty liver and skin, induce edema, and worsen infections. While real deficit is uncommon in wealthy nations.
To know more about Protein visit:
https://brainly.com/question/29776206
#SPJ1
what is carboxylic acid nmr
The combination of anisotropy and electronegativity rationales the O-H hydrogen in a carboxylic acid to be mightily deshielded. Hydrogen environments adjoining a carboxylic acid are moved to the region of 2.5-3.0 ppm.
NMR is an abbreviation for Nuclear Magnetic Resonance. An NMR instrument authorizes the molecular structure of a material to be examined by attending to and estimating the interaction of nuclear spins when positioned in a powerful magnetic field. In the NMR, since we presume a carboxylic acid, look for a wide singlet in the region 10-13.2ppm. The aromatic part has 4 protons, implying a substituted ring. Carboxylic acid exists as steady hydrogen-bonded dimers in dilute, non-polar solvents such as CDCl3.
To learn more about NMR visit here:
https://brainly.com/question/21024524
#SPJ4
At the end of the Krebs cycle, most of the energy from the glucose molecule being broken down:
a. has been converted to ATP.
b. is present in two pyruvate molecules.
c. has been lost as heat.
d. has been transferred to the electron carriers NADH and FADH2.
The Krebs cycle, which is a component of aerobic cellular respiration, most of the energy from glucose molecule is being broken down is present in pyruvate molecules.
b
The glycolysis and the Krebs cycle (also known as TCA cycle or citric acid cycle) ETC ( electron transport chain) ( electron transport chain)A glucose molecule is converted during glycolysis into the three-carbon compound pyruvate.Pyruvate reaches the mitochondrial PDH complex after glycolysis, where it is transformed into the two-carbon compound acetyl coA and one CO2 molecule is liberated. Acetyl coA is created, and the first stage of the Krebs cycle occurs when it interacts with a 4 carbon component called oxaloacetate to create a 6 carbon compound called citric acid. When a compound is created during the Krebs cycle, a number of other compounds are also produced.Thus, option b is correct.
To know more about pyruvate please check the following link
https://brainly.com/question/2893237
#SPJ4
what structural type of joint is illustrated here joining the shaft of the radius to the ulna? a) suture. b) synchondrosis. c) syndesmosis. d) amphiarthrosis.
The structural type of joint illustrated here joining the shaft of the radius to the ulna is a syndesmosis joint.
A syndesmosis joint is a particular kind of fibrous joint that enables dense fibrous connective tissue to link bones, creating an interosseous membrane. Because the bones are bound together by strong, fibrous ligaments that restrict their range of motion, this type of joint offers more stability and less mobility than a synovial joint. If stability overrides movement, such as in the ankle joint and between the radius and ulna bones in the forearm, syndesmosis joints can be discovered.
The syndesmosis joint enables the radius and ulna to be firmly linked while still allowing for a small amount of rotational flexibility. For stable and appropriate arm and wrist movement, this is crucial.
Learn more about joint
brainly.com/question/22099560
#SPJ4
charles darwin developed his theory of natural selection without understanding the nature of genetic inheritance. group of answer choices true false
Answer:
John locke
Explanation:
think or the cell amd the nuclear power thats the answer
Charles Darwin developed his theory of natural selection without understanding the nature of genetic inheritance. The statement is true.
Charles Darwin developed the theory of natural selection with an incomplete understanding of the nature of genetic inheritance.
At that time, the mechanisms of inheritance were not well understood, and the field of genetics had not yet been established.
It was not until several decades later, with the rediscovery of Gregor Mendel's work on inheritance in the early 20th century, that the field of genetics began to advance and provide a more complete understanding of how traits are inherited.
However, despite not knowing the specifics of genetic inheritance, Darwin's theory of natural selection remains a foundational concept in evolutionary biology.
Thus, the correct choice is true.
To know more about Natural selection, click here:
https://brainly.com/question/20152465
#SPJ2
How does embden-Meyerfoh help red blood cells carry oxygen to the rest of the body?
Answer:
Embden-Meyerhof pathway (EMP) is a metabolic pathway that helps red blood cells carry oxygen to the rest of the body. This pathway breaks down glucose molecules and produces energy in the form of adenosine triphosphate (ATP), which is then used by red blood cells to transport oxygen. The EMP pathway also produces other molecules, such as pyruvate, lactic acid, and other compounds, which can act as a buffer to help regulate the pH of the red blood cell. This helps to ensure that oxygen can be effectively transported to other organs and tissues in the body.
If you where working with an unlabeled simple stained smear, would you be able to identify the bacterial species by observing the slide under the microscope? why or why not?
No, a straightforward stain for microscopic organisms is utilized to distinguish the morphology of the microorganisms, not the species.
A few variables might influence the consequences of Gram staining: On the off chance that the smear is too thick, legitimate decolorizing won't be imaginable. On the off chance that the smear is overheated during heat fixing, the phone walls will break. The fixation and newness of reagents might influence the nature of the stain.
The motivation behind making a smear is to fix the microscopic organisms onto the slide. Fixing the microscopic organisms will safeguard the morphology of the cells long haul. Additionally, obsession helps the phones in sticking to the slide, with the goal that the phones don't tumble off the slide during the staining methodology.
To learn more about morphology here
https://brainly.com/question/28173904
#SPJ4
What are the major blood vessels that supply blood to the head and neck?
The carotid arteries are the vital ships feeding blood to the cerebrum and face. The right normal carotid store route begins in the neck from the brachiocephalic hall while the left normal carotid tube stems in the chest from the curve of the aorta.
The cerebrum gets blood from two sources: the interior carotid supply routes, which emerge at the point in the neck where the normal carotid corridors bifurcate, and the vertebral conduits. The interior carotid supply routes branch to shape two significant cerebral corridors, the foremost and center cerebral conduits.
The jugular veins are significant veins that stretch from your head to your upper chest. Ordinarily, there are three sets of jugular veins — six altogether — every one of which coordinates blood from various regions of your head toward your heart.
To learn more about carotid arteries here
https://brainly.com/question/30758179
#SPJ4
light consists of , which are discrete packets of kinetic energy.
Photons are individual energy packets that makeup light. Yet, Albert Einstein's study of the photoelectric phenomenon shows that light is made up of distinct particles known as photons.
Light energy is either continuous or discrete.Light is a continuous phenomenon both as an electromagnetic wave's manifestation and as a stream of radiation. This stream is composed of photons, discrete energy quanta, according to quantum mechanics.
A discrete packet is what?It is a discrete packet. The quantum. An illustration of a "light quantum" is a photon, which is a single quantum of light (or of any other type of electromagnetic radiation). The energy of an electron that is coupled to an atom is similarly quantized and can only take on specific discrete values.
to know more about kinetic energy here:
brainly.com/question/26472013
#SPJ1
cells in a lymph node that engulf and destroy damaged cells, foreign substances, and cellular debris are
A particular kind of phagocyte are neutrophils (cells which engulf and then digest, cellular debris and pathogens).
When lymph fluid passes through the lymph nodes, it is filtered. Bacteria, viruses, and other foreign things are captured in the nodes and then eliminated by specialised white blood cells. Lymphocytes are the name for these cells. The first cell to detect and ingest foreign chemicals is a macrophage (antigens).
These molecules are broken down by macrophages, which then provide the T lymphocytes the smaller proteins. (T cells have the ability to identify, react to, and retain antigens.) In your body's immune system, phagocytes like neutrophils and macrophages are the first line of defence. They use a procedure known as phagocytosis to locate, swallow, and eliminate pathogens and other detritus.
Learn more about lymph Visit: brainly.com/question/28249419
#SPJ4
what technique uses multiple x-ray exposures of the brain from different angles? A. CT Scan B. MRI
Option A is correct. The cross-sectional imaging is created by CT scan (computerised tomography) using several x-rays obtained at various angles.
Magnetic resonance imaging, or MRI, makes use of both magnetic fields and radio frequencies.When compared to ordinary head X-rays, brain CT scans can offer more precise details about the brain's tissue and structural makeup, offering additional information about any injuries or disorders to the brain. A brain CT provides numerous views of the brain since the X-ray beam moves in a circle around the body. A more accurate, cross-sectional image of your body can be created using the imaging method known as computed tomography (CT), which combines X-rays and computer technology.
To know more about CT Scan, click here:
https://brainly.com/question/7436350
#SPJ4
what would happen to the path of excretion if there was a blockage in the ureters?
A blockage wherein the ureter and bladder meet (ureterovesical junction) may also purpose urine to again up into the kidneys.
Ureterocele. If a ureter is simply too slim and would not permit urine to float completely, a tiny bulge withinside the ureter (ureterocele) may also develop. A ureteral obstruction prevents urine from getting into your bladder and from your body. If this blockage is not treated, urine can again up and harm your kidneys. This can purpose ache and positioned you liable to infection. These slim tubes bring urine from the kidneys to the bladder. Muscles withinside the ureter partitions usually tighten and loosen up forcing urine downward, farfar from the kidneys. A blockage or hassle withinside the urinary tract can imply urine is not able to empty from the kidneys or is capable of float the incorrect manner up into the kidneys. This can result in a build-up of urine withinside the kidneys, inflicting them to end up stretched and swollen.
To learn more about ureter check the link below-
https://brainly.com/question/6370843
#SPJ4
why does different lakes have different looking stickleback?
Answer:
One difference is the amount of protective armor that covers their bodies: while oceanic sticklebacks have about 30 armor plates extending from head to tail, most freshwater sticklebacks have just a handful of plates that sit closer to the front of the body.
Explanation:
Which type of anastomosis provides several alternative routes of drainage from an organ?a. Arterialb. Venousc. Arteriovenous
Option b) Venous type of anastomosis provides several alternative routes of drainage from an organ.
An anastomosis is a surgical joining of two structures. It usually refers to a link formed between tubular structures such as blood vessels or gut loops. When a section of the intestine is surgically removed, the two remaining ends are stitched or stapled together (anastomosed)
An anastomosis is a surgical joining of two structures. It usually refers to a link formed between tubular structures such as blood vessels or gut loops. When a section of the intestine is surgically removed, the two remaining ends are stitched or stapled together (anastomosed).
Learn more about anastomosis
https://brainly.com/question/28265392
#SPJ4