Answer:
group, community
Explanation:
sorry if im wrong
Which factor is most responsible for eroding the riverbank?
Gravity
Ice
Water
Wind
Answer:
Water should be the answer.
During which geological period were fossils made?
Answer:
Oldest fossils ever found show life on Earth began before 3.5 billion years ago.
Explanation:
The study of specific characteristics and functions of a living organism and its parts is called.
Answer:
Physiology
Explanation:
Because it is the study of characteristics and functions of living organisms and their parts.
Solid tumors are clusters of cancer cells and often contain blood vessels. When molecule B binds to the wild-type Brec protein in the plasma membrane of certain solid tumor cancer cells (Figure 1), the cancer cells express the membrane protein A and sometimes stimulate increased growth of blood vessels into the tumors.
Cells with a particular mutation in the Brec gene (Brec-MUT cells) have much increased expression levels of A and stimulate greater growth of blood vessels than do cancer cells with the wild-type Brec (Brec-WT cells); the cells with the mutant Brec can trigger intracellular signaling in the absence of B.
Researchers proposed that the signaling pathway modeled in Figure 1 is triggered by activation of the wild-type Brec and is associated with phosphorylation and activation of kinase D, expression of A, and the ability of the cancer cells to stimulate blood vessel growth.
Part A: Based on the signaling model shown in Figure 1, describe the role of molecule C-P in the activation of D.
Part B: Explain how a molecule such as kinase D can amplify an extracellular signal. Explain how the mutant Brec protein is able to activate kinase D even in the absence of its ligand.
Part C: Based on the proposed signaling pathway, predict the relative activity of kinase D in the Brec-WT cells compared with kinase D in the Brec-MUT cells when both cell types are grown in nutrient broth lacking B. Justify your prediction.
Part D: The researchers claim that treatment with a compound that inhibits dephosphorylation of the intracellular domain of the Brec protein will inhibit expression of A in Brec-WT cells but not in Brec-MUT cells. Based on the information provided, provide reasoning to refute their claim.
The molecule C-P phosphorylates and thus activates D, whereas Kinase D amplifies cellular signaling by phosphorylating many substrates. In this case, it is expected to observe kinase D overexpression in Brec-MUT cells.
Cancer, phosphorylation and signaling pathwaysCancer can be defined as a multifactorial disease, which is often associated with uncontrolled cell growth.
Cancer signaling may be associated with defective pathways such as, for example, a mutated kinase protein that affects normal downstream molecular cascades.
A kinase is a specific protein that acts to phosphorylate specific cellular substrates, thereby activating/deactivating a particular signaling pathway.
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What is the role of goblet cells in pseudostratified ciliated columnar epithelial tissue of the upper respiratory tract?.
Using the letter l for Lovingston’s and I for non Lovington,s, determine kites and dots genotypes and then complete the punnet square to show the probability that their offsprings would inherit this trait
Answer:
i
Explanation:
Refer to the illustration above. The cell uses structure 3
hi, i think you forgot to add your illustration...
During independent assortment, what are separated from one another?
Answer:
The Principle of Independent Assortment describes how different genes independently separate from one another when reproductive cells develop.... During meiosis, the pairs of homologous chromosome are divided in half to form haploid cells, and this separation, or assortment, of homologous chromosomes is random.
During independent assortment, alleles of different genes located on different chromosomes are separated from one another.
Independent assortment is a fundamental principle in genetics that describes how alleles of different genes segregate into gametes independently of each other. This phenomenon occurs during meiosis, the process by which cells divide to produce gametes (sperm and egg cells).
In meiosis, homologous chromosomes (chromosome pairs) separate during the first division (meiosis I), ensuring that each gamete receives one chromosome from each pair. Additionally, independent assortment occurs during meiosis I as well as meiosis II.
During independent assortment, alleles located on different chromosomes are sorted into gametes without regard to the alleles of other genes. This means that the inheritance of one gene does not influence the inheritance of another gene located on a different chromosome. As a result, different combinations of alleles from different genes can end up in gametes, leading to genetic diversity in the offspring. This genetic variation is a crucial factor in evolution and the adaptation of populations to changing environments.
Overall, independent assortment contributes to the shuffling of genetic material and the creation of unique genetic combinations in sexually reproducing organisms, enhancing genetic diversity within a species.
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A large, membrane-bound sac found in plant cells that may contain plant pigments or toxins used in defense is called a(n) .
Answer:
vacuoles or the tonoplast
In a stem-and-leaf plot, the rightmost digit of each data value is the:.
Answer:
leaf
Explanation:
The leaf of each data value in a stem and leaf plot is determined from the rightmost digit of each number.
In a stem-and-leaf plot, the rightmost digit of each data value is the unit digit.
What is the data value in a stem-and-leaf plot?A stem and leaf plot may be defined as a type of plot where each data value is split into a leaf (the last digit) and a stem (the other digits). For example, 12 on the stem and 7 on the leaf read like 127, and 127 is written according to stem and leaf plot key 12 I 7.
The leaf of each data value in a stem and leaf plot is determined from the rightmost digit of each number — in this case, this is known as the unit digit. For example, the leaf of the first data value (63) is 3, and the leaf of the data value below it (57) is 7.
If you want to construct a stem and leaf plot, each observed value must first be separated into its two parts: The stem is the first digit or digits; The leaf is the final digit of a value; Each stem can consist of any number of digits.
Therefore, in a stem-and-leaf plot, the rightmost digit of each data value is the unit digit.
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1. Give an example of a unicellular prokaryote and eukaryote and explain how
they manage to maintain homeostasis.
Answer:
Bacteria and archaea are all unicellular prokaryotes. ... Yeasts and algae are examples of unicellular eukaryotes. Unlike prokaryote cells, eukaryote cells have organelles, cell organs fulfilling important functions in the cell. This is why these cells are for the most part larger than prokaryote cells
Explanation:
The removal of both the left and right hippocampus will ultimately result in:_____.
a. the inability to form non-declarative memories.
b. the inability to recognize stimuli.
c. the inability to form declarative memories.
d. the inability to express emotions.
Answer:
C. the inability to form declarative memories ;)
Explanation:
The movement of particles from an area of high
concentration to an area of low concentration
Answer:
Passive Transport
Explanation:
The movement of molecules from an area of High concentration to an area of lower concentration in a living cell is called Passive Transport.
Passive Transport does not require energy input.
An example is Diffusion.
Please help!! This is a P.e question
1. In order for your body to make the physiological changes to improve itself, which concept/s must be applied regularly?
2. In order for you to improve your speed, you must use exercises that directly address it. Which principle is this?
3. When your body becomes accustomed to a specific demand, the demand must be systematically increased. Which principle is this?
You don't have to answer all of them anything will help.
Answer:
nose xd
Explanation:
no se ando ganando puntos
pls help its time
Question 1 (5 points)
Which form of transport moves proteins from an area of low concentration to an area of high concentration?
a)Osmosis
b)Active Transport
c)Diffusion
d)Facilitated Diffusion
HELP NEEDED ASAP!!
Which of the following factors is necessary for germination of seeds?
a. Moisture, air, suitable temperature
b. Moisture, sunlight, suitable temperature
c. Air, fertilizer, sunlight
d. Moisture, fertilizer, suitable temperature
Answer: b
Explanation: I'm pretty sure its correct because if a seed doesn't have moisture it wont be able to fertile.
Answer:
Option B
Explanation:
I hope it is the right one
Why are nucleic acids and carbohydrates important to DNA and RNA?
Answer:
Because that's what they are made of.
A nucleic acid is made up of nucleotides, and nucleotides contain....
a pentose sugar (carbs)nitrogenous base (ATCG)phosphate groupLysosomes are membrane-bound vesicles produced by the Golgi apparatus that contain ____________ enzymes.
Answer:
Lysosomes are membrane-bound vesicles produced by the Golgi apparatus that contain DIGESTIVE enzymes.
Explanation:
Such as glycosidases, proteases and sulfatases.
Safety Hazard A. Burns B. Cuts C. Falls D. Fires E. Shocks F. Strains
Never put cold or wet food into hot fat because it will cause the fat to splatter.
Answer:
name:anjanikelas:4umur:10 Asli Jawaban :A Bruns(I will mark brainliest please help!)
1) Which fossil fuel is used to make plastics, Vaseline, and even things like lipstick?
Group of answer choices
coal
oil
natural gas
the sun
2) Using coal for energy can be damaging to the environment because
Group of answer choices
Coal mining require digging deep into Earth’s crust which causes fracking
Leaks during mining can cause spills that pollute the
Many coal plants have had accidents that released radiation into the air.
Coal mining and usage causes much water, land, and air pollution.
3) Which would be the best way for a company to reduce energy usage in its office and have the least effect on employees?
Group of answer choices
Remove half the light bulbs in each office and allow employees to bring battery powered flashlights
Turn off heat/air systems and unplug electrical items while the office is closed
Replace the microwave in the office break room with a charcoal grill
Go paperless on Tuesdays
Answer:
1. Natural Gas
2. 4
3. 3
Explanation:
Hope This Helps
What can we see with electron microscopes that we can't with light microscopes?
Electron microscopes reveal subcellular structures and nanoscale details inaccessible to light microscopes, thanks to their use of electron beams instead of light. This allows visualization of intricate cellular components and surfaces in unprecedented detail.
In place of light waves, electron beams are used in electron microscopes to illuminate specimens. Electrons offer substantially higher resolution since their wavelengths are shorter than those of visible light. This makes it possible for researchers to view subcellular elements such as organelles, protein complexes, and even single molecules.
In addition, by using methods like electron tomography, electron microscopes can view surfaces and structures in three dimensions. This ability is essential in subfields like materials science and cell biology where functionality is greatly impacted by nanoscale characteristics. The vacuum atmosphere of electron microscopy, however, necessitates sophisticated sample preparation, restricting observations of living species.
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Can someone help me?
What is an advantage of using nuclear power to generate electricity?
Group of answer choices
Building and maintaining a safe reactor is very inexpensive.
Nuclear power plants do not produce any waste material
A small amount of uranium can produce large amounts of electricity.
Nuclear power plants discharge warm water, increasing natural bacterial growth.
Automobiles use a part called a ______ to reduce the amount of carbon monoxide they emit.
Group of answer choices
brake pad
strut
catalytic converter
distributer
Answer:
catalytic converter is the answer
Now...it's simple!!
is using light
to 'put things together'. Plants use this process to make
their food with the help of SUNLIGHT,
and____
____ and
Answer:
Water and Carbon Dioxide
Explanation:
Cause they use sunlight, water and carbon dioxide from the air to make their own food called photosynthesis.
Answer: water and carbon dioxide
Explanation:
13. The following are considered as contaminants to bodies of water,
EXCEPT
A animals
factories
Chumans
D. sol
14. Which of the following can help reduce the effects of climate change?
A Take a bath daily.
B Plant more trees
C Stop building homes
Drink 8 to 10 glasses of water a day
15. The following are human activities to help lessen the efects of all
pollution EXCEPT:
A Planting of trees
B Buming of garbage
C Multiple crop farming
D. Segregation of wastes
i am no sure this answer will be correct..
Aquatic biome abiotic factors include sunlight, temperature, nutrients, pH (acidity), depth, and salinity (marine only). If a chemical company were to dump a large quantity of acid into an estuary, how might this affect the biotic factors in this aquatic ecosystem?
Answer:
It would significantly increase the...
pHConcentration of nutrientsTemperature (slight increase)Death of wildlife and bioindicatorsExplanation:
Why are there so many different shapes of proteins.
Answer:
The sequence of amino acids in the chain determines how the chain will fold up to make the protein, so thats why there are so many shapes
Both ancestral birds and ancestral mammals shared a common ancestor that was terrestrial. Today, penguins (which are birds) and seals (which are mammals) have forelimbs adapted for swimming. What term best describes the relationship of the bones in the forelimbs of penguins and seals, and what term best describes the fins of an aquatic worm and the flippers of seals
Hom0logous structures describes the relationship the bones in the forelimbs of penguins and seals as well as the fins of an aquatic worm and the flippers of seals
What is evolution?Evolution refers to the process whereby complex life forms develop from simple life forms or non-living matter as a result of gradual changes over a long period of time.
Evidence for evolution include:
Fossil recordsAnatomy EmbryologyBiogeographySimilarity in function and structure of anatomical features is known as h0mologous structures.
Hom0logous structures describes the relationship the bones in the forelimbs of penguins and seals as well as the fins of an aquatic worm and the flippers of seals.
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Gluconeogenesis, the formation of glucose from fats and proteins, is due to the action of ________.
Answer:
cortisol
Explanation:
What is the overall net gain of ATP in aerobic respiration per one molecule of glucose? between 0-10 between 10-20 between 30-40 between 40-50.
Answer:
C on edge
Explanation:
C. 30-40 i took the test on edge for biology so trust me, I got 100% :D have a good day
The overall net gain of ATP in aerobic respiration per one molecule of glucose is 38 ATP, that means between 30-40.
What is meant by aerobic respiration ?Aerobic respiration is defined as the process of respiration in which glucose is broken down by using oxygen in order to make energy from carbohydrates.
Here,
Aerobic respiration is the cellular respiration which includes some chemical processes for the production of energy from glucose in the presence of oxygen.
In respiration, the energy is released in the form of ATP or adenosine triphosphate.
Aerobic respiration consists of various steps like, Glycolysis, Krebs cycle and the electron transport system. The energy generated during all of these processes is called the net ATP.
During the process of glycolysis, a total of 8 ATP is produced.
During Krebs cycle and electron transport chain, a total of 30 ATP is produced.
So, the overall net ATP produced is 38.
Hence,
The overall net gain of ATP in aerobic respiration per one molecule of glucose is 38 ATP, that means between 30-40.
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17 protons and 18 neutrons what is the mass number and atomic number
Answer:
The Atomic number is 17 and Mass number is 35
Explanation:
Given;No. of protons = 17No. of neutrons = 18To Find;Atomic numberMass numberSo, For Atomic number
Atomic Number = No. of protons = No. of electrons = 17 (Which is Chlorine {Cl} )
Now, For Mass number
Mass number = No. of protons + No. of neutrons
Mass number = 17 + 18 = 35
Thus, The Atomic number is 17 and Mass number is 35
-TheUnknownScientist 72
