There is a decrease in our ability to fight infection as we age. Which lymphoid organ may have a role in this decline?.

Answers

Answer 1

Answer:

thymus

Explanation:

Tissue involution is linked to aging, as seen by a disorganized thymic epithelial cell architecture and increasing adiposity. This instability is linked to a decrease in naive T cell export due to a lack of stroma-thymocyte 'cross-talk.'


Related Questions

What is responsible for the apparent motion of the Moon in the sky from East to West? A) The rotation of Earth about its axis B) The revolution of Earth around the Sun C) The rotation of the Moon about its axis D) The revolution of the Moon around Earth

Answers

Answer:

The east to west daily motions of stars, planets, the Moon, and the Sun are caused by the rotation of the Earth on its axis

Explanation:

The Earth and all the planets revolve around the Sun on circular orbits. This produces the change in constellations observed from one time of year to the next

please mark as brainliest please

What would happen if the salmon were over harvested

Answers

The resources of salmon would decline.

In the following sentence, what does the word “lush” mean? Describe the context clue strategies you can use. “Due to the nearly constant rain, the Hoh Rain Forest is very lush, green, and slippery all year round.”

Answers

The word “lush” means growing luxuriantly. Context clues given are “due to the constant rain”, “green, and slippery all year round”

What is one part of the DNA molecule that changes?

Answers

The base or nitrogenous base.

What is the term when a cell divides into two new daughter cells?
A. cell birthing
B. cell death
C. cell regeneration
D. cell division​

Answers

Answer:

D, cell division.

which of the following occurs during a lysogenic cycle?​

Answers

Viral DNA is replicated and the host cell isn’t destroyed.

Which of Mendel’s laws or principles state that gametes carry one allele for each trait?

Answers

good luck to your modules

Examine the process represented in the diagram.

Which choice best describes what is occurring at step B?

Two strands of DNA form a double helix.
DNA and proteins form tight coils.
DNA wraps around histones.
Coils of DNA and proteins wind into larger coils.

Answers

Process of Chromosome Creation

The Process of Chromosome Creation is as follows:

First is the forming of a double helix by 2 strands of DNANext is the wrapping around of 8 Histones with DNA.Then, the wrapping of Histones with Nucleosome Arrays (aka The "Tight Coil" Step).Finally, the Coils of DNA and proteins wind into larger coils.

Answer:

DNA wraps around histones.

I am accepting any correction if I accidentally stated false information :).

P.S. I'm just in my 9th grade :D (I tried my best to explain this, I hope this helped you)

#learnwithbrainly

Hi I know this is quite a few question but I really need help, Thanks!

Answers

3: B

4: B

5: C

6: C

7: A

8: C

9: C

10: D

11: B

12: D

Sorry for the late responce, I was on holiday !! (▱˘◡˘▱)

fleas are insects but they do not have wings. suggest two features of fleas that would show that they should be classified as insects.

Answers

Answer:

Antennae and 6 legs

Explanation:

How do you think the body language that wolves use with other wolves compares to what they use with humans? HELP PLS

Answers

Answer: BODY LANGUAGE. Body Language cont’d from The Language of Wolves. In a wolf pack, order is regularly reinforced by displays of dominance and submission through a complex mix of vocal and physical communications. n a wolf pack, order is regularly reinforced by displays of dominance and submission through a complex mix of vocal and physical communications. Wolves employ a variety of non-vocal forms of communication to express and maintain their status,In a wolf pack, order is regularly reinforced by displays of dominance and submission through a complex mix of vocal and physical communications. Wolves employ a variety of non-vocal forms of communication to express and maintain their status,

Explanation:

Answer:

Communication is especially important for animals, like wolves, that live together in family groups, where coordinating, cooperating, and reinforcing bonds and status are all part of a necessary daily routine. Within a family of wolves, communication helps maintain social stability. It helps to reinforce pack solidarity and enables the opportunity for young pack members to learn information specific to the pack and how to survive.

Communication is also used to express an individual’s intentions or emotional disposition or feelings. As with any highly social animal, communication amongst wolves is particularly complex and involved and it is vital to keeping the family functioning together as one. Wolves do use a range of vocalizations to “talk” to one another and express themselves.

Explanation:

Hope its helpful

* our skin can be compared to what cellular organelle? explain.​

Answers

Our skin can be compared to the cell membrane. Both offer the cell/us protection for the external environment, help us absorb needed nutrients and regulates what can and can’t go in and out, although this is more specific to a cell membrane.

Please help me

Two brown eyed parent have two childron with blue eyes. Give the genotypes of
each family member.

Albinism (lack of pigment) in humans is caused by a recessive gene. If normal
parents have an albino child, what is the probability that their next child will be
normal for pigment color?

Answers

Image result for Two brown eyed parent have two children with blue eyes. Give the genotypes of each family member.

The only way to present blue eyes is to inherit two copies of the blue-eyed gene. However, brown-eyed parents can pass a recessive blue-eyed gene. Therefore, two brown-eyed partners can birth a blue-eyed baby.

Katie needs to measure water for a recipe she is using to cook dinner. She should measure the liquid in __.

options:
inches
pints
pounds
yards

Answers

pints is the right answer; inches and yards are measurements of distance, and pounds are a measure of weight for solid objects.

Please help me I don’t ‘now how to write essays very well high school level I desperately need help on this one assignment

Answers

Answer:

put it in trash bin .......

do transported soil have different types of grain particles?

Answers

Answer:

Probably Yes

Explanation:

It's being moved so the other particles are most likely being lost so i would say, yes

Mary loved having her goldfish tank in her office. She said watching the fish swim around was calming to her on stressful days. Mary thought that if 2 goldfish in her tank could make her less stressed then certainly 8 goldfish would be even better. After three days of having 8 goldfish in her tank, she noticed 5 of the fish began to sink to the bottom of the tank becoming less active than the remaining 3. A few days later the 5 sick fish died and the 3 remaining fish thrived. Use the data to help you choose three reasons the carrying capacity of the fish tank wasn’t able to accommodate all 8 goldfish.






A.
There was a limited supply of food available to sustain all 8 fish.

B.
There was an unlimited amount of space for the fish to swim.

C.
The amount of dissolved oxygen in the tank was not replenished quickly enough to sustain all 8 fish.

D.
The ammonia levels in the tank did not compromise the life of the fish.

Answers

Answer:

A

C

D

Explanation: Because since C is not right, we can immediately assume that the rest are the answers. It says that 3/4 are right, so it would be ACD, also they make sense.

which abolitionist or slave was the most productive and helping to end slavery? Explain your answer​

Answers

Answer:

William Lloyd Garrison

Explanation:

During the 1830s, a new type of radical abolitionist appeared. These abolitionists called for the immediate end to slavery. One of the most prominent radical abolitionists was a man named William Lloyd Garrison. Garrison called for slavery's immediate end as well as equal rights for African Americans with whites.

someone please please help me with this !!

Answers

Bacteria is growing at a faster rate then humans

Which type of fossil do scientists use to compare the relative ages of other fossils?.

Answers

Answer:

Index Fossils

Explanation:

Index fossils are used by scientists to help them figure out the dating of discovered fossils or the correlation. They are also very known to appear in a (very) certain/specific age range.

Hope this Helps!

Desensitization to prevent an allergic response can be accomplished by injecting repeated doses of: Group of answer choices IgE antibodies the antigen (allergen) histamine IgG antibodies antihistamine

Answers

Desensitization to prevent an allergic response can be achieved with doses of the antigen.

How do these doses of Antigen cause desensitization?

The small and controlled doses of antigen (allergen) can cause desensitization to said allergy. This is because they allow the body to slowly build up natural defenses to this antigen, allowing it to be better prepared to combat said antigen during the next exposure.

Therefore, we can confirm that desensitization to prevent an allergic response can be achieved with doses of the antigen.

To learn more about antigens visit:

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Which best describes how a diet with low carbohydrate intake would affect glucose levels and cellular respiration?

A. Glucose levels would decrease, and cellular respiration would decrease.

B. Glucose levels would increase, and cellular respiration would decrease.

C. Glucose levels would increase, and cellular respiration would increase.

D. Glucose levels would decrease, and cellular respiration would increase. ​

Answers

Answer:

A

Explanation:

After being digested carbohydrates are broken down into glucose so there would be a decrease in glucose levels. Glucose is needed for cellular respiration so it would also decrease

answer this question i will give u brainliest

Answers

Answer:

50%, and 0%

Explanation:

Make a chart, and fill it in
a)
_ |E   |   e
e |Ee | ee
e |Ee | ee
2/4 have Ee, and 2/4 have ee, ee is the attached, so the chance is 2/4, or 50%
b)
hom*zygous means that both letters are the same, so EE, or ee
the mother is EE, while the father is ee
make a table:
_ |E   |   E
e |Ee | Ee
e |Ee | Ee
As you can see, it's all Ee, so the only possibility is for the child to have detached earlobes, and no attached earlobes are produced (in theory, at least)

how about this question? its biologoy

The "language" of RNA is called the
Choose...
, and it uses three-letter "words" called
Choose...
.

Answers

Answer:

I don't see anything listed, provide an image or equation

Explanation:

Come up with a hypothesis as to why the Siamese cat has darker fur on certain parts of its body.
FIRST PERSON TO HAVE A GOOD/LEGIBLE ANSWER WILL GET BRAINLIEST!!!!1

Answers

The siamese cat has darker fur on certain parts of its body due to incomplete dominance. In the reproduction of the offspring, no allele was completely dominant over the other. Therefore resulting in both traits from the parents being expressed.

O A. Spindles
O B. Chromatids
O C. Centromeres
O D. Gametes

Answers

Answer:

D. Gamates

Explanation:

Meiosis is a cell division that ends up producing gamates as sperm or egg cells.

what positioning error has occurred when the pedestals are visualized posteriorly on the oblique lumbar spine projection

Answers

Answer:

fractures that occur in adolescent athletes who experience sudden, forceful, or unbalanced contractions of the tendinous and muscular attachments,

Explanation:

Some enzymes act with the assistance of a non-protein component. This component is called a ; if that component is an organic molecule it can be called a

Answers

Some enzymes act with the assitance of a non-protein component and this component is called : Cofactor  If the component is an organic molecule it can be called a : Coenzyme

What are Enzymes

Enzymes are proteinous organic catalyst present in living organisms that regulates/determines the rate at which a chemical reaction occurs in an organism, but  not used up in the process. A no-protein component that assists an enzyme in the process is known as a cofactor.

Hence we can conclude that ome enzymes act with the assitance of a non-protein component and this component is called : Cofactor If the component is an organic molecule it can be called a : Coenzyme.

Learn more about Enzymes : https://brainly.com/question/1596855

Which Action has the least impact on the environment

Answers

Answer: C. Using a safe fountain for clean drinking water

Explanation:

         Since all the other options will have some sort of impact on the environment via waste, the correct answer to your question is using a safe water fountain.

         There won't be anything to throw away, short-term or long-term, from you so it's the least impact.


What happens to the rate of diffusion if the temperature is raised?

Answers

Answer:

The rate of diffusion increases

Explanation:

This is because increase in temperature causes increase in the average speed of molecules which increases the rate of diffusion

Answer:

The higher the temperature, the more kinetic energy the particles will have, so they will move and mix more quickly. The greater the surface area, the faster the rate of diffusion.

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