Answer:
1. All organisms generate waste and dead material that is recycled by decomposers.
Explanation:
2 Is incorrect because not all organisms are underwater.
3 Is incorrect because not all organisms are plants.
4 Is incorrect
which of the following help explain how antibiotic resistance can evolve rapidly in bacteria? (choose all that apply)
How are the processes of asexual reproduction and sexual reproduction different? Select three options.
Answer:
1, 2, 4
Explanation:
select all of the following statements that are true concerning living organisms and how they acquire energy. check all that apply cells, the basic unit of life, cannot survive on their own. instead, all living organisms must obtain and use energy to live.cells, the basic unit of life, cannot survive on their own. instead, all living organisms must obtain and use energy to live. energy flows through a system by being captured, changing forms, used for work, and lost as heat.energy flows through a system by being captured, changing forms, used for work, and lost as heat. instead of a constant input of energy, energy is recycled by organisms.instead of a constant input of energy, energy is recycled by organisms. the daily food consumption of an organism provides the energy to support all the metabolic process required for the organism to live.the daily food consumption of an organism provides the energy to support all the metabolic process required for the organism to live. life runs on mechanical energy from food.life runs on mechanical energy from food. energy is needed to carry out life processes such as growth, repair, reproduction, movement, and defense.
The statements which are true about living organisms and how they acquire energy are as follows:
Cells are the basic unit of life and cannot survive on their own. instead, all living organisms must obtain and use energy to live.Energy flows through a system by being captured, changing forms, used for work, and lost as heat.What is a cell?A cell may be characterized as a basic and fundamental unit of life. Cells are the structural and functional unit of life. All organisms on the surface of the earth are composed of one to numerous cells. They facilitate the survival of living organisms.
They are significantly composed of molecules that contain carbon-carbon bonds. They undergo chemical reactions in order to utilize the energy they acquire from the environment. Living things include all the organisms that express attributes that make them specific from non-living organisms.
Living organisms have an organized structure, they are composed of cells, they need the energy to survive or sustain existence, they are able to reproduce and they exhibit an ability to grow.
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two types of electron microscopes are electron microscopes, which pass electrons through a specimen, and electron microscopes, which beam electrons over the surface of a metal-coated specimen.
The two primary varieties of electron microscopes are the transmission electron microscope (TEM) and the scanning electron microscope (SEM) (TEM).
What is the specimen in the body?For all tests, the term "body specimen" refers to urine, with the exception of alcohol tests, which utilize saliva and/or blood. In the event that an Employee is hospitalized, samples will be taken in line with any applicable medical regulations.
Do humans qualify as specimens?Human specimens are any material taken from healthy persons or the leftover samples taken from patients after a diagnosis that are kept in storage for in-vitro study. It consists of the organs, tissues, cells, and DNA of the human body.
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In which phase of the growth curve does preparation for cell division and synthesis of enzymes needed for catabolic activity take place?
- exponential phase
- death phase
- stationary phase
- lag phase
- all phases
The growth curve's lag phase is when cells are getting ready to divide and the necessary enzymes are being created for catabolic action.
What is enzymes?Proteins called enzymes speed up chemical reactions and serve as biological catalysts. The chemicals that enzymes can interact with are referred to as substrates, and the enzyme changes the substrates into new molecules known as products. Proteins called enzymes aid in accelerating metabolism, or the chemical reactions in our bodies. Certain substances are built, while others are deconstructed. Enzymes are a component of all life. Enzymes are produced by our bodies on their own. For instance, a vital component of gastric fluids that aids in the breakdown of food particles in the stomach is the enzyme pepsin. Similarly, the salivary enzyme amylase turns starch into sugar to aid in the beginning stages of digestion. The thrombin enzyme is employed in medicine to accelerate wound healing.To learn more about enzymes, refer to:
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gymnosperms and angiosperms are both able to produce _________, structures that consists of a dormant plant embryo and stored food packaged inside a protective coat
Answer:
seeds
Explanation:
The answer to the blank is "seeds". Both gymnosperms and angiosperms are seed-producing plants. Seeds are structures that consist of a dormant plant embryo, stored food (endosperm), and a protective coat (seed coat) that helps to protect the developing embryo from desiccation, predation, and other environmental stresses. However, there are some differences in the structure of seeds produced by gymnosperms and angiosperms. Gymnosperms produce seeds that are not enclosed in an ovary, while angiosperms produce seeds that are enclosed in an ovary, which later develops into a fruit.
choose all that are principal veins of the portal system carrying blood from the gastrointestinal organs to the liver.
Gastric veins, splenic veins, inferior/superior mesenteric veins, and hepatic portal veins are the principal veins of the portal system carrying blood from the gastrointestinal organs to the liver. Thus, all options are correct.
What is the portal system?Capillary blood is transported to the liver by the portal venous system from the esophagus, stomach, small and large intestine, pancreas, gallbladder, and spleen.
Thus, gastric veins, splenic veins, inferior/superior mesenteric veins, and hepatic portal veins are the principal veins of the portal system. Hence, all options are correct.
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Your question is incomplete, most probably the full question is this:
Choose all that are principal veins of the portal system carrying blood from the gastrointestinal organs to the liver.
A. Gastric veins
B. Splenic vein
C. Inferior/superior mesenteric veins
D. Hepatic portal vein
put the following in order from smallest to largest, gene,cell,chromosome,DNA
Answer:
gene, DNA; chromosome, cell
Explanation:
DNA is a macromolecule, a gene is a sequence of DNA monomers(nucleotides), the chromosome is a large structure made of highly condensed DNA material around proteins(histones) and the cell contains everything listed and much more.
compare and contrast asexual and sexual reproduction: including genetic similarity or difference between parents and offspring and among offspring, advantages and disadvantages of each mode
Answer:
Explanation: Asexual reproduction is a mode of reproduction that involves a single parent, and the offspring produced are genetically identical to the parent. Some common types of asexual reproduction include binary fission, budding, fragmentation, and vegetative reproduction. In asexual reproduction, there is no fusion of gametes, and the offspring are clones of the parent. Asexual reproduction is a relatively rapid process, as there is no need to find a mate, and it can produce large numbers of offspring quickly. However, since there is no genetic diversity, a population of organisms that reproduces solely asexually may be more susceptible to disease and environmental changes.
In sexual reproduction, two parents are involved, and the offspring are genetically diverse due to the process of meiosis, which produces gametes with unique combinations of genetic information. When fertilization occurs, the gametes combine to form a new individual with a unique combination of genetic traits. Sexual reproduction leads to genetic diversity, which can be advantageous for the survival of a species, as it increases the chances that some offspring will be better adapted to the environment. However, sexual reproduction is a slower process than asexual reproduction, as it requires the production of gametes and the search for a mate.
In summary, the major differences between sexual and asexual reproduction are:
Number of parents: sexual reproduction involves two parents, while asexual reproduction involves only one parent.
Genetic diversity: sexual reproduction results in offspring with genetic diversity, while asexual reproduction produces clones.
Rate of reproduction: asexual reproduction can produce large numbers of offspring quickly, while sexual reproduction is slower.
Advantages and disadvantages: asexual reproduction can produce large numbers of offspring quickly, but there is no genetic diversity, while sexual reproduction leads to genetic diversity but is a slower process.
enzyme reaction rates consider the illustration below. what variable might be on the horizontal axis? (click on all that apply.)
The activation energy and temperature will be on the horizontal axis.
What is activation energy?A chemical reaction's activation energy and rate are tightly correlated. Furthermore, the chemical reaction will occur more slowly the higher the activation energy. This is because to the fact that molecules can only finish the reaction after climbing the activation energy barrier. Fewer molecules will have enough energy to cross the barrier at any one time as the barrier rises. Several reactions have activation energies that are so high that they essentially can't occur at all without an energy input. For instance, energy is released when a fuel like propane burns, but at ambient temperature, the rate of reaction is almost nil.
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One common analogy used to illustrate the nature of genetic material involves comparing the different components of genetic material to a textbook. Match the genetic terms to the best textbook component to show that you understand these terms as they relate to one another.
1) Genome - The whole textbook
2) Chromosome - A chapter in the textbook
3) Gene - A sentence in a chapter of the textbook
Here, Genome is the whole textbook, Chromosome is considered a section or chapter in the textbook, and Gene is a sentence or paragraph within a section or chapter of the textbook, an analogy is used to explain the hierarchical organization of genetic material.
What is a genome?The analogy of comparing genetic material to a textbook is often used to help people understand the hierarchical organization of genetic information, such as the genome, which includes all the genes of the cells and is larger than the chromosomes and genes, while genes are particular segments of chromosomes.
Hence, Genome is the whole textbook, Chromosome is considered a section or chapter in the textbook, and Gene is a sentence or paragraph within a section.
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Which one of the following is an ecosystem service benefit that falls into the category of ecosystem regulation and support?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
aesthetics
recreation
food production
habitat
Food production belongs to the area of provisioning services, whereas aesthetics and recreation are ecosystem service advantages that fall under the heading of cultural services.
Which of the benefits listed below is a "regulating service" for the ecosystem?Examples of regulating services include pollination, decomposition, water filtering, erosion and flood management, carbon sequestration, and climate regulation. When we interact with and change the natural environment, we have also changed it.
What advantages do ecosystem services offer?Ecosystem services include things like providing good food and clean water, managing disease and the weather, assisting in crop pollination and soil formation, and providing benefits for recreation, culture, and religion enable human life.
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A cell is in m phase, undergoing mitosis. Which event occurs directly after the nucleus's chromatin condenses into chromosomes?.
The event which occurs right after the condensation of the chromatin of the nucleus is the metaphase.
Cell cycle is a process through which a cell happens to first replicate its DNA material and then divide in order to produce two daughter cells which have equal amount of DNA from the parent cell. The cell cycle takes place through a number of stages which are the prophase, metaphase, anaphase as well as the telophase.
During the prophase of the cell cycle, the chromatin condenses in order to form the chromosomes and the event next to it is the metaphase. During the metaphase, the chromosomes get aligned at the equator of the cell.
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FILL IN THE BLANK. Plant cells have large central ______ where water, salts, and sugars are stored and where materials are broken down and recycled with enzymes similar to lysosomes in animal cells.
Answer:
vacuole
Explanation:
Plant cells have large central vacuole where water, salts, and sugars are stored and where materials are broken down and recycled with enzymes similar to lysosomes in animal cells.
vacuole- A membrane-bound cell organelle known as a vacuole. Animal cells typically have tiny vacuoles that aid in the sequestration of waste. Vacuoles in plant cells aid in preserving the equilibrium of water. A single vacuole may occasionally occupy the majority of a plant cell's inner volume.
Cas9 is a:
A. Protease
B. Nuclease
C. DNA polymerase
Cas9 is a: B. nuclease.
Cas9 it is a type of RNA-guided endonuclease enzyme that can cleave DNA strands at specific locations. This property makes it a powerful tool for genome editing and genetic engineering.
The Cas9 nuclease is often used in conjunction with a guide RNA molecule that can direct it to a specific DNA sequence, allowing for precise cutting and modification of the genome.
Therefore the correct option is B.
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TRUE/FALSE. Pseudo stratified epithelia are well adapted to the digestive system because the cilia increase the surface area for absorption. Thick skin has a more extensive dermal layer than thin skin. Generally speaking, connective tissues are largely non-living extracellular matrix. Which of the following is an EXCEPTION? Blood bone are olar adipose
False. Pseudostratified epithelia are not well adapted to the digestive system. True. Thick skin has a more extensive dermal layer than thin skin. True. Generally speaking, connective tissues are largely non-living extracellular matrix. Exception: Blood is a connective tissue comprised of living cells in a liquid matrix.
What is Tissue?Tissue is a group of cells that have a similar structure and function. It is made up of cells that are similar in size and shape and are specialized to carry out specific tasks. Tissue is found in almost all animals and plants and it is made up of four main types: epithelial, connective, muscle, and nervous.
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What are the genotypes of the parents in the monohybrid cross below if the following offspring genotypes are predicted?
Tt and Tt
TT and tt
Tt and TT
Tt and tt
a scientist observed a natural flow of water coming out of a hillside. the hillside is lower than the water table.
An artesian aquifer serves as the water flow's source. Positive pressure groundwater is present in this kind of aquifer. Spring.
Exists the term "natural"?The word "natural" is widely used and has a wide range of definitions. When you refer to your basketball player friend as a natural athlete, you are describing everything that is born of nature, but it also means "inborn."
Why should I go natural?Going natural means not using synthetic hair or chemically modifying your hair in any way. When you use natural hair products, you are utilizing items that have been classified as natural yet still contain some artificial components.
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What is responsible for selectively transporting substances into the ventricles from the bloodstream?
A.) Pia mater
B.) Choroid plexus
C.) Arachnoid
D.) Astrocytes
In a study of multiple geological events in which an isthmus has formed, separating marine populations on either side, you collect the data in Table 2. Event: 1 4 3.5 19 6.3 וו Approximate date (millions of years ago) 5 21 7 10 46 difference in 1000 bp of DNA between closely related species from either side of the isthmusWhat can you conclude from the data in Table 2?
A) There are statistically significant differences between the genetic divergences among closely related taxa on either side of an isthmus.
B) There are no statistically significant differences between the genetic divergences among closely related taxa on either side of an isthmus.
C) There is no correlation between genetic divergence among closely related taxa on either side of an isthmus and time of isthmus formation.
D) The extent of genetic divergence among closely related taxa on either side of an isthmus is positively correlated with time of isthmus formation.
Positive correlation exists between the timing of isthmus formation and the degree of genetic differentiation between strongly linked taxa on either side.
How can the relationship between two creatures be ascertained via DNA analysis?By counting the number the differences between two species' DNA or amino acid sequences, molecular clocks can be used to assess how closely species are related.Some people refer to these clocks as gene clocks and evolution clock.
What do similar DNA sequences in two different species mean?A shared common origin between two species may be shown by the discovery of the same Target dna in those two species.This is due to the fact that homology is demonstrated by having comparable DNA sequences.The similarity between the two species' DNA sequences indicates how closely related they are.
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this is a picture of poison ivy. the leaf is on the left, and a stem with leaves is on the right. select all of the true statements about poison ivy based on this image.
Correct choices include the second and fourth.Because poison ivy leaves have lobes, they are referred to as lobed leaves.There really are two leaves with points facing opposite ways in adjacent leaves.
Are the leaves of poison ivy opposing or alternate?Box elder leaves are arranged in the opposite direction from poison ivy leaves along the vine.
What sort of stem is included in poison ivy?The reddish hue of the poison sumac stem is its first distinguishing feature.In addition, rather than branching off exactly across from one another, the stems containing the leaves will alternately grow on each side, from left to right.Moreover, the center stem, which supports the largest leaf, will always grow longer and more prominent.
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Balance the equation for the process of respiration
The balanced equation of respiration is;
C 6 H 12 O 6 + 6 O 2 --> 6 CO 2 + 6 H 2 O + ATP
What is the balanced respiration equation?Balancing a respiration equation involves ensuring that the number of atoms of each element is the same on both sides of the equation. Here are the steps to balance a typical respiration equation:
Write the unbalanced chemical equation for respiration. For example, the equation for cellular respiration is:
C6H12O6 + O2 -> CO2 + H2O
Count the number of atoms of each element on both sides of the equation. In this equation, there are:
6 carbon atoms (C) on the left and 1 on the right
12 hydrogen atoms (H) on the left and 2 on the right
6 oxygen atoms (O) on the left and 6 on the right
Balance the equation by adjusting the coefficients (the numbers in front of the chemical formulas) of the reactants and products. Start with the element that appears in the fewest number of molecules, which is carbon in this case:
C6H12O6 + O2 -> 6CO2 + H2O
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150 ml of 54% CaCl2 solution contains how many grams of cacl2
A 45% CaCl2 Solution has a mass of 67.4 g of CaCl2 and contains 45 g of solute per 100 mL of solution.
The formula for mass concentration is mass of solute (g)/volume of solution (L)
100 mL of solution is equal to 100 * 1 L/1000, or 0.1 L.
45 g/0.1 L of the solution's mass equals 450 g/L.
Mass concentration divided by molar mass gives a solution's molar concentration.
CaCl2's molar mass is 111 g/mol.
450 g/L / 111 g/mol = 4.05 mol/L is the molar concentration.
Number of moles of CaCl2 in 150 ml of a 4.05 mol/L solution is equal to the molar concentration times the volume (L). For example, 4.05 * 150 * 1 L/1000 equals 0.6075 moles of CaCl2.
Number of moles * Molar Mass = mass of CaCl2 present in 0.6075 moles = 0.6075 * 111 = 67.4 g of CaCl2.
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Referring to a plant species that has a single kind of spore, which typically develops from a bisexual gametophyte
Answer:
Homosporous
Explanation:
Producing only one type of spore from which develops a gametophyte producing both male and female gametes.
Which type of environmental science career involves collecting information about how human events impact the environment?.
Information on current events, trends, and problems relating to the non-human world is gathered, verified, produced, distributed, and shown in environmental journalism.
An understanding of scientific terminology is necessary to work as an environmental journalist. The person must apply his or her understanding of past environmental events. The capacity to monitor environmental organisations' choices and environmental policy decisions is required. An environmental journalist should have a comprehensive awareness of contemporary environmental issues and the capacity to explain complex ideas to the general public. The field of environmental communication includes environmental journalism. Its genesis can be found in nature writing. How to distinguish environmental journalism from its related fields is a topic of debate.
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fill in the blank. a viable plate count is a method of calculating the number of cells in a dilution by the counting the number of___on agar plates. responses cells cells colonies colonies species species all of the above all of the above
A viable plate count is a method of calculating the number of cells in a dilution by counting the number of colonies on agar plates.
What is cell?A cell is the basic unit of life. It is a microscopic, membrane-bound structure that contains genetic material and is capable of performing all the functions necessary for life, including metabolism, growth, and reproduction. Cells are classified into two main categories: prokaryotic and eukaryotic. Prokaryotic cells are simpler in structure and do not have a distinct nucleus, while eukaryotic cells have a more complex structure, contain a nucleus, and are typically larger than prokaryotic cells. A typical eukaryotic cell contains several organelles, such as the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, lysosomes, and cytoskeleton. These organelles perform specific functions that are essential for the cell's survival and allow it to carry out its specialized functions within the organism.
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how does your social behavior and indirect fitness benefit the individual even though they are not sexually reproducing? How does the colony benefit?
During evolution, social organisms share a large portion of their DNA, this suggests group behaviors likely evolved, and this shared DNA provides organisms to engage in social behaviors.
What are the benefits of social behaviors?In a population, during social behavior organisms share a large portion of their DNA, which includes a fitness benefit to genes they carry, although contributing to the behavior lowers individual fitness and survival.
If any animal is part of a group helps animals to collect food, defend themselves, and fight changes.
Therefore, group behavior has evolved, by this member of the group can increase the chances of survival for organisms and their genetic relatives.
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Drag the descriptions to their corresponding class to assess your understanding of the three domains. Domain Archaea Domain Bacteria Domain Eukarya Domain with the closest relationship to the eukaryotic cell domain Humans COS Includes fungi, protozoa, and animais Includes prokaryotes such as Staphylococcus aureus Methane-producing bacteria Gram-positive bacteria Extreme prokaryotes
Domain Archaea are prokaryotes and methane-producing bacteria, domain bacteria include gram-positive bacteria such as prokaryotes such as Staphylococcus aureus; and domain Eukarya are humans, includes fungi, protozoa, and animals.
What is three-domain classification?
The three domains of classification include the bacteria, archaea, and eukarya, where the bacteria includes the prokaryotes, the archaea can live in extreme conditions and is very diverse, and the eukarya have the nucleus, such as humans, animals, fungi, etc.
Hence, domain Archaea are prokaryotes and methane-producing bacteria, domain bacteria include gram-positive bacteria such as prokaryotes such as Staphylococcus aureus; and domain Eukarya are humans, includes fungi, protozoa, and animals.
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question is incomplete, the complete question is below,
Drag the descriptions to their corresponding class to assess your understanding of the three domains.
domains=Domain Archaea, Domain Bacteria, Domain Eukarya
organisms=fungi, protozoa, and animais. Includes prokaryotes such as Staphylococcus aureus, Methane-producing bacteria, Gram-positive bacteria, Extreme prokaryotes
Not all plants have seeds what main advantage do seeds provide a plant
Oxygen binding is monitored for a solution of hemoglobin. During the experiment, the curve changes from sigmoidal to hyperbolic. Which of the following may be the reason for the change?
A positive allosteric effector was added.
A negative allosteric effector was added.
The protein dissociated into individual subunits.
The protein denatured.
During experiment, curve changes from sigmoidal to hyperbolic, the following may be the reason for the change : The protein dissociated into individual subunits.
How does oxygen bind to the hemoglobin?Hemoglobin molecule has four binding sites for oxygen molecules, iron atoms in the four heme groups and thus, each Hb tetramer can bind four oxygen molecules. From molecular weight of Hb, it is calculated that 1 g of Hb can combine with 1.39 ml of oxygen.
Oxygen is one of the substances transported with assistance of red blood cells and RBC contains a pigment called hemoglobin and each molecule of which binds four oxygen molecules. Oxygen molecules are carried to individual cells in the body tissue where they are then released.
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