The outcome of this interaction between a metabolically stressed epithelial cell expressing MIC-A and a natural killer (NK) cell is: MIC-A binds to NKG2D, which activates the NK cell through sensing of "stress-induced self". The NK cell then kills the epithelial cell via apoptosis.
1. The metabolically stressed epithelial cell expresses the protein MIC-A on its surface.
2. MIC-A on the epithelial cell binds to the NKG2D receptor on the NK cell.
3. This binding activates the NK cell through sensing of "stress-induced self," indicating that the epithelial cell is under stress or potentially compromised.
4. The activated NK cell then initiates the process of apoptosis (programmed cell death) in the epithelial cell, effectively killing it.
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True or False
Prokaryotic cells generally have a higher surface area to volume ratio than eukaryotic cells.
Answer:
true I think I just guessed
TRUE : Prokaryotic cells generally have a higher surface area to volume ratio than eukaryotic cells
Eukaryotic cells are larger and complex when compared to prokaryotic cells which makes its surface area to volume ratio to be smaller than that of prokaryotic cells. cells are classified based on the arrangement of their cell structures.
Prokaryotic cells are found in smaller organisms like Bacteria while Eukaryotic cells are found in larger organisms like Humans and Plants.
Hence we can conclude that based on the complexity and size of the Eukaryotic cell, the prokaryotic cells generally have a higher surface area to volume ratio.
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HELP ME FAST SMART PEOPLE PLEASE HEHE LOL:)
Answer:B
Explanation:
Asorbs the heat
Which of these provides the best evidence that an environmental change has occurred?
Answer:
c
Explanation:
Marine fossils as their name say are should usually be in the ocean. not in a freshwater lake
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Describe how you will estimate the rate of photosynthesis.
Explanation:
there are various methods to measure photosynthesis: Uptake of CO2 by plants: Since CO2 is needed for photosynthesis, measuring how much of it is taken up by the plants gives us information on how much of photosynthesis is happening. Release of O2: The amount of O2 produced during photosynthesis can be measured.
Estimation or measuring the rate of photosynthesis can be done by:
by the production of oxygenthe uptake of carbon dioxideIndirectly by an increase in biomass.The rate of photosynthesis is a gross measure of the rate at which a plant captures radiant energy and fixes it in organic carbon compounds. It can be estimated by:
Depletion of the substrate that is carbon dioxide, has been used or how much water is used.the accumulation of oxygen is a measure of the rate of reaction.measure the rate of photosynthesis in leaves by observing the release of oxygenThus,
Estimation or measuring the rate of photosynthesis can be done by:
by the production of oxygenthe uptake of carbon dioxideIndirectly by an increase in biomass.Learn more:
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The appendix, an extension of the large intestine appears, although this is debated, to have little
function in humans. What is the appendix an example of in terms of evidence for evolution?
Answer: Vestigial organ
Explanation:
Vestigial organs are those organs which were functional in ancestral organisms belonging to the same species but due to the course of evolution of body forms they become non-functional. They can be found in the body either in the same form as used to appear in the ancestors or in rudimentary or degenerated forms.
The human appendix is one of the examples of vestigial organs. It looks like a narrow tube which forms a link with a colon of the large intestine. It was functional in human herbivorous ancestors as it used to help in digestion of variety of vegetables and other plant products. The change of diet along with due course of evolution caused the appendix to become useless. But the appendix physical form remained the same in humans.
HELPPP!!! I'm confused!!
option c
Glycolysis , Krebs cycle , electron transport chain
3. What might happen to the ecosystem if this population were removed?
Answer:
More predators kill more prey, which, along with food scarcity, decreases the population.
Explanation:
Answer: ''Population Explosions The most obvious result of the removal of the top predators in an ecosystem is a population explosion in the prey species. ''
Explanation:
HELP ASAP PLS IF U ANSWER U GET 40 POINTS THANKS
Explanation:
The grass help feeds the baboon. This means the baboon will have to poop out the grass. Then the dung bettle feeds off of that poop.
Due to the size of the Universe and the number of galaxies and stars in it, scientists must devise indirect ways to study it. Which of these represents the best way for scientists to study the Universe?
Answer:
A. Scientists should create a graph showing a comparison of the relative sizes of all the galaxies and stars.
Explanation:
Due to the size of the universe and the number of galaxies and stars in it, scientists must use different methods for the purpose of the study, such as the analysis of cosmic microwave background radiation, gravitational lensing, etc.
What is the significance of the cosmology studies?Scientists can conduct cosmology research in a variety of ways, including using computer simulations to model and predict the evolution of the universe and all of its materials, using gravitational lensing to measure the distribution of dark matter, and so on. Apart from that, the universe can be studied by using telescopes at various wavelengths,
Hence, due to the size of the universe and the number of galaxies and stars in it, scientists must use different methods for the purpose of the study, such as the analysis of cosmic microwave background radiation, gravitational lensing, etc.
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Compare the palisade layer and the spongy layer of the mesophyll. Of the two layer, which layer has more cells?
Answer:
Palisade cells are packed tightly together, and most of the plant's photosynthesis is carried out in this sub-tissue. Moreover, cells in palisade mesophyll have a characteristic cylindrical shape and many chloroplasts. In spongy mesophyll cells, there are many air spaces, and the cells have slightly thinner cell walls.
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can y’all help me please? thanks :)
Answer:
to protect you from mRNA vaccines
Explain how form and function are related in human cells. Include examples.
What sort of evidence would support at least one of the components of cell theory ? a Rocks and other non-living things are not composed of cells b A microscope is necessary to make observations of nearly all cells c Cells are observed converting one form of energy into another d The origin of all cells can be traced to previous or pre existing cells
Answer:
D
Explanation:
The correct answer would be that the origin of all cells can be traced to previous or pre-existing cells.
According to the cell theory which is made up of three parts;
The cell represents the basic unit of all life.All living organisms are made up of cells.Cells do not arise spontaneously, but only from pre-existing cells.Hence, the discovery that the origin of all cells is traceable to previously existing cells supports the latter part of the cell theory.
The correct option is, therefore, D.
Check the items you included.
Bacteria perform nitrogen fixation
More bacteria perform nitrification,
Nitrogen, in usable form, is taken up by plants,
and assimilated into their proteins (becoming
part of the plant).
An animal eats the plant and the nitrogen
becomes part of the animal's proteins.
An animal dies and decomposes, or excretes
waste, returning the nitrogen to the soil.
Answer:
SI
Explanation:
true or false: alleles for the same trait are at different locations on homologous chromosomes
Answer:
TRUEExplanation:
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please help me. i will give brainliest
Answer:
star 2 does
the rest are either missing the grouped spectrum after 6k or the dark solid spectrum at 4500ish
Explanation:
Please help due in 10 minutes!!!
Explain the 5 ways to reach Hardy-Weinberg equilibrium, does this mean evolution is occurring?
There are five basic Hardy-Weinberg assumptions: no mutation, random mating, no gene flow, infinite population size, and no selection. If the assumptions are not met for a gene, the population may evolve for that gene (the gene's allele frequencies may change).
22. Jose plays the piano extremely well, but his parents do not play at all. What types of trait is playing the piano? A. Inherited B. Dominant C. Acquired D. Recessive
Answer:
I´m pretty sure its C
Explanation:
sorry if im wrong tho
Answer:
The Answer would be C
Explanation:
You cant inherit a skill you have to learn/acquire it.
If you have done odesseyware please help
Air that comes in from the ocean during the day is usually _____.
1. cooler than the on land
2. warmer than the air on land
3. the same temperature as the air on land
4. drier than the air on land
answer iits warmer
Explanation:
2
bc the water absorbs the heat from the sun
The codon GAG becomes GTG due to a point mutation in the DNA, affecting the structure of the protein hemoglobin. What effect does this mutation have on the individual? WILL GIVE BRAINLIEST
The individual suffers from sickle cell anemia.
The individual suffers from myotonic dystrophy.
The individual suffers from Fragile X syndrome.
The individual suffers no negative effects.
Answer:
The individual suffers from sickle cell anemia.
Explanation:
Deformed red blood cells occur in 1 in 500 African Americans. This is caused due to a gene mutation called point mutation that alters the structure of the red blood cell. This alteration affects the cell's ability to carry oxygen.
On a hot, steamy, summer day, Kelly noticed that the outside of her glass of iced tea was very wet. She wondered if her glass was leaking. What do you think?
How can you determine the number of bonds an atom can make
Answer:
The number of bonds for a neutral atom is equal to the number of electrons in the full valence shell (2 or 8 electrons) minus the number of valence electrons. This method works because each covalent bond that an atom forms adds another electron to an atoms valence shell without changing its charge.
what reaction is degradative
Simple sugar dehydration–fragmentation products, such as derivatives of furans, pyrones, cyclopentenes, carbonyl compounds, or acids
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please brainliest :)
Answer:
Degradation reactions reduce the number of atoms in a molecule through a specific type of chemical transformation.MARK ME AS BRAINLISTThe population of most cities are numbered in _____________
Explanation:
muchos miles, y aveces cientos de miles
What is the process by which an organism undergoes a dramatic change in form called?
1. Morphology
2. Metastasis
3. Photosynthesis
4. Metamorphosis
Metamorphosis through which the insect develops by four distinct stages: egg, larva, pupa, adult. A type of metamorphosis in which an organism's transformation is so dramatic that it is difficult to recognize the relationship between the larva and adult form.
Option 4) Metamorphosis
Answer:
4. Metamorphosis
please answer please, If we have a male hemophiliac (such as Leopold) marry a normal female, is there any way to have sons who have hemophilia? Provide a justification for your response.
Please please please help me
Answer:
B. Electrical energy is being transformed into thermal energy
Explanation:
The energy provided by the socket is electrical and is then transformed into thermal so the hair can be dried.
What can you conclude about the effect of exercise on breath rate? Why is this so?
Explanation:
With exercise, cells need more oxygen, so the breath rate increases to provide the oxygen needed
Make a concept map with the following terms:
Stimulus, function of relation, response senses or receptors, touch, smell, environment, individual, stimulus, taste, hearing, sight, processing center, nervous system, somatic, central nervous system, peripheral nervous system, neurons, synapses, sensory, brain, motor, interneurons, electrical, chemical, spinal cord, autonomic, voluntary and involuntary actions
Please is for today :(
Answer: igu bro, ok first u add my bbrother to class and then u subrtarct the ugly kids and you omneof them so dieeeee
Explanation:
If a chromosome comes apart because it is not well attached at the center, 1 point
then there is most likely a problem with the
centromere
chromatids
chromatin
gene
Answer: The most problem is likely with chromatin
Explanation:
If a chromosome comes apart because it is not well attached at the center, The most problem is likely with chromatin.
What is chromosome ?
A chromosome is a thread-like structure present in the nucleus of cells such as both prokaryotic and eukaryotic cell and it is made of a molecule of DNA (Deoxyribonucleic acid) and histone proteins.
It is composed of three components, DNA, proteins and RNA, amount of the DNA content ranges from 30 to 40 %, the amount of proteins from 50 to 65%, and small amount of RNA from 1 to 10%.
Two types of protein present in DNA such as histone and non-histones proteins, histone constitute large amount (90% of total protein), whereas non-histone is present in small amount (around 10% of total protein).
The histone protein is basic, whereas, the DNA is acidic, so it can be neutralized; DNA in chromosome is present in two forms such as Euchromatin and Heterochromatin.
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