How is HIV able to evade the immune system and keep destroying T cells?

Answers

Answer 1
The proteins on the surface of the virus change quickly and in shape

Related Questions

As the moon completes its cycle, do the shadows flip sides or stay on the same side?
___________

Answers

Answer: The same side of the Moon always faces Earth. ... The phases of the Moon are not shadows but solar and lunar eclipses are because a solar eclipse occurs when the Moon moves directly between the Sun and Earth casts a shadow over part of Earth.

Explanation:

15 POINTS!!! HELP ME PLZZ I NEED HELP WITH THIS!!

Answers

C i’m pretty sure !!!!!!!!!

Which of the following is one of the largest carbon reservoirs on earth?
A. Limestone
B. Amazon rain forest
C. Fossil fuels
D. Atlantic Ocean

Answers

I believe it is A, limestone. Because yes

From the options The Largest carbon reservoirs on earth is : ( A ) Limestone

The Largest carbon reservoirs on earth includes the Earth crust ,Oceans and fossil fuels. Limestone makes up about 15% of the earth's crust ( sedimentary ) therefore it is the largest carbon reservoir out of all the options given above.

Limestones are used as raw materials for the production of cement and other building/construction materials.

The Earth crust contains about 50,000,000 g/tons of Carbon in total while the oceans contain about 40,000 g/tons of carbon which is followed by Fossil fuels at 10,000 g/tons

Hence we can conclude that the Largest carbon reservoir is Limestone

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Which of the following is not an example of energy transformations in an ecosystem? a. sunlight driving photosynthesis in plants b. herbivores feeding on plants c. predators feeding on herbivores d. none of the above Please select the best answer from the choices provided A B C D

Answers

Answer:

D. None of the above

Explanation:

Energy transformation is the process of transfer and conversion of energy from one species to another. None of the above is not an example of energy transformation. Thus, option D is correct.

What is energy transformation?

Energy transformation is the process in an ecosystem that includes the conversion of energy from one level to another in the food chain or the metabolic reactions.

Photosynthetic reactions under the sun, herbivores feeding on producers, and predators feeding on the primary consumers are examples of energy conversion as it is continuously passing the energy to another species in the ecosystem.

Therefore, none of the above is not an example of energy transformation.

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Which of the following is a false statement concerning sea urchins?
a. they eat seaweed.
b. they are echinoderms.
C. they have movable spines.
d. they have arms.

Answers

D is the answer to this problem. This is because sea urchins have rows of tube feet.
D is false, because they don’t have arms.

Which electromagnetic waves allow us to diagnose & treat cancer?
(i couldnt find a suitable subject so i picked a random one)

Answers

Answer:

X-rays

Explanation:

X-rays and gamma rays, whose properties are equivalent, are clinically the most important form of ionizing electromagnetic radiation in the treatment of cancer.

Which of the following features help plants stay upright? (Select all that apply)
Cell wall
plasma membrane
Endoplasmic reticulum
Vacuole

Answers

Answer:

Cell Wall

Explanation:

PLEASE HELP I WILL GIVE YOU MULTIPLE BRAINLYS ON DIFFRENT POSTS!!!!!

Answers

Where’s the picture :/

Is cellular respiration using or releasing energy when cellular respiration bonds are being broken in glucose?

Answers

Answer:

Releasing

Explanation:

"Cellular respiration is the aerobic process by which living cells break down glucose molecules, release energy, and form molecules of ATP. Overall, this three-stage process involves glucose and oxygen reacting to form carbon dioxide and water."

Need help with this smart people only pls

Answers

Answer:

The answers you have chosen are/should correct

Explanation:

Already took that test

Answer:

didn't i already tell you the answer

Explanation:

what do you need help with????

Do you think different sources of carbs (sugars) would affect
the rate of fermentation in yeast? Why or why not?

Answers

Yeast is a fungus and needs a supply of energy for its living and growth. Sugar supplies this energy (your body also gets much of its energy from sugar and other carbohydrates).
Yeast can use oxygen to release the energy from sugar (like you can) in the process called "respiration". So, the more sugar there is, the more active the yeast will be and the faster its growth (up to a certain point - even yeast cannot grow in very strong sugar - such as honey).
However, if oxygen is short (like in the middle of a ball of dough), then yeast can still release energy from sugar, but in these conditions, its byproducts are alcohol and carbon dioxide. It is this carbon dioxide gas which makes the bubbles in dough (and therefore in bread), causing the dough to rise.
Alcohol is a poison (for yeast as well as for people) and so the yeast is not able to grow when the alcohol content gets too high. This is why wine is never more than about 12% alcohol.

Which is one of the contributions that supported the development of the Clean Water Act? ​

Answers

Answer:

E) detailing the number of countries affected by contaminated water around the world

Explanation:

Which area of Earth is most similar to the sun’s convection zone?

Answers

Answer:

The Mantle

I hope this helps

The mantle is the part which is the most similar to the sun’s convection zone. It is the second layer of Earth.

Which layer from Earth's atmosphere is convective in nature ?

It is the troposphere that is convective in nature. Troposphere means the region of mixing.

The mantle is  the most similar to sun's convection zone. Sun's convection zone is later  dominated by  the convection currents that carries energy outward to surface. Mantle is second layer of Earth.

The zone is not that  dense enough to  just use the  radiative transfer of  the  energy, infact ,  they uses the  thermal convection zones in just  other words then  it boils. Energy is  then carried out  through the  thermal columns to surface of sun and  later creates  out areas that are seen  as  the solar granulation and  the super granulation.

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what will most likely happen to the squirrel?

Answers

Could you give me more background about said squirrel.

Answer:

C) The squirrel will starve if it can't find enough food

Explanation:

If the question is “This squirrel lives in a forest and eats only acorns. What will MOST LIKELY happen to the squirrel if the oak trees in this forest start dying of a disease? A) The squirrel will adapt to less food. B) The squirrel will not be affected at all. C) The squirrel will starve if it can't find enough food. D) The squirrel will eat berries instead of acorns to survive.” then the answer would be C because the squirrels usually on the acorns from trees, and if the trees are gone or there isn’t any food left on the tree the squirrels will starve because they were depending on the acorns for food.

WOULD PLANTS GROW DIFFERENTLY IN
DIFFERENT COLOR LIGIIT? WHY OR WHY NOT

Answers

Answer:

i have no idea

Explanation:

Please go ask agenthammerx or retrowolfyy

What is the lowest level of organization

A) nerve cell
B) brain tissue
C) brain(organ)
D) organism

Answers

Answer: The lowest level of organization is A.) Nerve Cell aka. Cell because it's just cell.

The lowest level of organization - A) nerve cell

Cellsare the most basic unit of life at the smallest level of organization.cells are joined together to form a structure called is tissue as nerve cells are cells that form together to make brain tissue.Tissues form organ and organ ultimately form an organ system of an organismvarious organ systems form an organism together

Thus, The lowest level of organization - A) nerve cell

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Which statement is scientifically based?
Ο Ο
O O
Mutations rarely occur.
All mutations are harmful.
Some mutations can be contagious, like infections.
Mutations are not passed from parent to offspring?

Answers

Answer:

Mutations rarely occur.

If you cook a pizza on a metal tray, you place the pizza on the tray at room temperature. This is placed in a hot oven. Once cooked, you remove the tray from the oven. Eventually the tray reaches room temperature again. Describe and explain what happens to the motion of the particles in the metal tray.

Answers

Answer: 1. particles vibrate

more

2. individual particles do not

get ( change their temperature).

3. They vibrate less and become

motionless

Explanation:

when the tray is placed in the oven,the particles get heated ( this results in a change in temperature.) as the temperature increases so does their kinetic energy. What this simply implies is that the particles would tend to vibrate more vigorously than before.

When you remove the tray from the oven it’s temperature decreases, so also is it’s kinetic energy. This makes the particles to vibrate slowly and become motionless.

How do cells with the same set of DNA become a wide variety of specialized cells?

Answers

Answer:

Cellular differentiation

Explanation:

I think this is it. In cellular differentiation a cell changes from one cell to another so this might have something to do with this

How do vaccinations work to provide immunity? and What body system regulates blood glucose levels? (For a Biology exam)

Thanks :)

Answers

Answer:

it trains the body immunity towards certain diseases

Explanation:

first of all we humans have two types of wbc cells phagocytes & lymphocytes. phagocytes produces pseudopodia which is like cytoplasm that traps or catches bacteria or viruses. lymphocytes produces chemical antibodies which destroy the viruses or bacteria by attaching to the virus and burst it out. Now when u get vaccinated u train those wbc cells for future viruses and hepl them to make antibodies to defend the body.

The blood glucose gets regulated by production of insulin in pancreas to maintain proper amount of glucose in the body

A Egg is ....

A. Element
B. Composite
C. Homogeneous mixtures
D. Heterogeneous mixtures

Answers

Answer:

Element

Explanation:

Answer:

D. Heterogeneous mixtures

Explanation:

An egg (raw egg) is naturally made up of the egg white and the egg yolk. It is a heterogenous mixture because you can separate the egg white from the egg yolk. This is commonly done in baking. Its composition is non-uniform.

It becomes a "homogenous mixture" once you beat the egg. In this situation, you won't be able to separate the egg white from the egg yolk anymore.

What temperature does cold/warm front bring,

Answers

Answer:

Temperature changes associated with cold fronts can be as much as 50 °F (30 °C). When cold fronts come through, there is usually a quick, yet strong gust of wind, that shows that the cold front is passing.

Explanation:

Name this stage of the cell cycle
A) prophase
B) Metaphase
C)interphase
D)telophase

Answers

Answer:

mitosis

Explanation:

It is B) Metaphase which is the stage in mitosis were chromosomes align.

The cycle of the moon circling the earth is _________

Answers

Answer:

The Moon circles the Earth once every 27.3 days – each sidereal month – but its phases repeat every 29.5 days – each synodic month. The difference arises because the Earth itself moves around the Sun by a distance of around thirty degrees each month.

Explanation:

Smart people answer this this is emt question

Answers

Answer:

respitory

Explanation:

minors or actual from the parents

8. The honeycomb-like appearance of this sandstone is a result of
A. salt weathering.
B. oxidation.
C. hydrolysis.
D. frost wedging.

(FROST WEDGING IS NOT THE RIGHT ANSWER I ALREADY TRIED IT)

Answers

I think that it is B hope that is right :))

The honeycomb-like appearance of this sandstone is a result of frost wedging, hence option D is correct.

What is frost wedging?

Wedging Repeated freezing results in a freeze. When the water turns into ice due to the 9 percent expansion, freeze wedging happens. Water-filled fissures are compelled to further divide when it freezes, and other choices, which can be characterized as follows, are erroneous

0xidation is incorrect since the element is in a state where it transforms into a liquid. Hydrolysis is incorrect since it is a reaction in which the bonds of water are broken down into a specific chemical.

Salt weathering is incorrect since it refers to a type of mechanical or physical rock weathering.

Therefore, option D frost wedging is correct.

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PLZ HELP WILL GIVE BRAINLIEST

Answers

Answer:

A, B, and D are correct

Explanation:

I took biology

Agricultural science
Unscramble these word
Gctitavee-
Suscrptepu-
Apgotainpro-
Treigoenan-
Xleaasu-
Dorplecuoir-
Ificriata-
Eeeemddrrpnit-
Sciieetccnd-
Mcitssye-
Rrllaatspi-
Ooossiunp-
Nniigtomear-

Answers

Answer:Eeeemddrrpnit-

Explanation:

Which of the following nutrients is NOT an element supplied as a soil amendment in fertilizers?
O potassium
O nitrogen
O phosphorus
hydrogen

Answers

Answer:

hydrogen

Explanation:

If a polypeptide chain is 30 amino acids, how many nucleotides will make up the coding mRNA strand?

93
30
33
90
96

Answers

Answer:

3 nucleotide require to produce one amino acid.As 30 amino acid , it requires 90 nucleotides including start codon but a polypeptide chain have a stop codon at last therefore 93 nucleotide will make up the coding mRNA strand.

The stop codon may be UAA ,UAG ,UGA they encode no amino acid.

One amino acid requires 3 nucleotides. The coding mRNA strand will have 93 nucleotides since a polypeptide chain has a stop codon at the end of 30 amino acids. Therefore, option (A) is correct.

What are codons?

A segment of three adjacent nucleotides within a DNA or RNA molecule that, when read, denotes the presence of a particular amino acid. There are particular codons that indicate the beginning or end of the translation process.

3 nucleotide require to generate one amino acid. As 30 amino acids, it requires 90 nucleotides including a start codon, but a polypeptide chain also has a stop codon at the end; as a result, the coding mRNA strand will have 93 nucleotides.

The stop codon could be UAA, UAG, or UGA; however, none of these codons encode an amino acid.

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HEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEELLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPWhat is the coefficient of the third term in this expression?k2n+5mn39n3m3n Explain why the lines are parallel given the angles shown. Assume that all tile patterns use this basic shape. Kelly arrives for work at a restaurant at 5:00 p.m. Once there, she washes and chops vegetables, then sets aside ingredients and organizes them for the cook. Kelly is most likely a . Mark's work hours change every week, depending on when he is needed. He wears a suit and tie to work at an elegant restaurant. He greets guests and seats them in a waiting area. He then guides them to their tables. Mark is most likely a What are the advancements made in the automotive industry in 2020 Does the radiation from the sun travel to earth in varying frequencies During the Constitutional Convention, disagreement over how to count enslaved people for the purpose of representation was settled by the Great Compromise. Commerce and Slave Trade Compromise. Three-Fifths Compromise. Electoral College Compromise. This player usually has the second hit. Their job is to lob or 'set' the ball up for the hitters to spike over the net. A. Setter B. Middle Blocker/Hitter C. Outside Hitter D. Opposite/Right Side Hitter which state of matter is more dense? The spinner in a game based on chance has 25 equal sectors. The prize is worth $50, and the cost to play is $2.50. A player wins if the arrow lands on the sector he or she chose.Which table shows the correct outcomes for a player who plays the game one time? RIDDLEI am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I? Which of the following is true about light with a single wavelength?1) It can be refractedII) It cannot be dispersedIII) It can be reflected * The edge length of a cube is changing at a rate of 10 in/sec. At what rate is the cube's volume changing when the edge length is 3 inches? sherry has 1/4 as many crayons as marie . marie has 32 crayons how many crayons does sherry have i just dyed my hair blue and purple. Please help me!!!!!!!!!!!!!!!!!!!! Write the number 7,070,000,000 in scientific notation. (-1, -10) and (5, 2)find the slope and find the y intercept the process of finding factors M=6 And Its Y-Intercept, b= -5 What is the acceleration of car if it goes from 60 m/s to a stop in 6 seconds?