BIOLOGY HIGH SCHOOL

T cells are programmed to provide humoral immunity true or false

Answers

Answer 1
Answer:

Answer: False

Explanation:

Humoral immunity depends on B Cells whereas cell immunity depends on T Cells.
Answer 2
Answer:

Final answer:

T cells are not programmed to provide humoral immunity, which is primarily mediated by B cells. T cells are involved in cell-mediated immunity where they directly attack and destroy infected cells.

Explanation:

T cells are not programmed to provide humoral immunity. Humoral immunity, also known as antibody-mediated immunity, is primarily mediated by B cells which produce antibodies specific to each pathogen. T cells, on the other hand, are involved in cell-mediated immunity where they directly attack and destroy infected cells. Memory cells are a type of B and T cells that form after exposure to a pathogen and mount rapid responses upon subsequent exposures.

Learn more about T cells and humoral immunity here:

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why is it more important for dna replication to be exact than for transcription or translation to be exact

Answers

Because DNA replication contains essentially all the genetic materials that will be needed in transcription and translation processes. And DNA replication is first step to ensure correct protein synthesis and others as well. But translation and transcription are both important to be exact, actually as incorrect transcription or translation could lead to useless proteins or etc.

in apex the answer is : an error in dna replication would affect many generations of cells

In the female body, each egg is surrounded by a ____, which breaks open when the egg is mature.a. corpus luteum
b. placenta
c. follicle
d. ovary

Answers

The best answer to the question above is (c.) follicle. In the female body, each egg is surround by a follicle, which breaks open when the egg is mature. This follicle helps the egg to move around and catch the sperm cells during the fertilization.

Inside a prokaryote such as e. coli, an opera on controls for the production of the amino acid tryptophan. what occurs in the cell in order to turn off the production of tryptophan.

Answers

Trp operon is regulated so, that when tryptophan is present in the environment, the genes for tryptophan are not expressed. 

During the process of photosynthesis, plants release what element in the form of a gas?

Answers

two, OXYGEN which is one product of the process of photosynthesis, and nitrogen.

to be honest im not for sure because you don't have any answer choices


Which condition is a neuron in when the outside of the neuron has a net positive charge and the inside has a net negative charge?A. threshold

B. action potential

C. resting potential

Answers

The correct answer to the question given is letter C. resting potential. 

The condition which a neuron is in when the outside of the neuron has a net positive charge and the inside has a net negative charge is called the resting potential. 

Which cross will yield four phenotypes in the 1:1:1:1 ratio

Answers

The answer is RrYy x rryy.

It is known that the in dihybrid cross (a cross between two different traits), the phenotypic ratio between the offspring in the F2 generation is 9:3:3:1. To get phenotypes in ratio 1:1:1:1, there must be a cross between heterozygote for both traits and recessive homozygote for both traits. This can be concluded if these two traits are analyzed separately:
Parents:       Rr    x    rr
Offspring: Rr    Rr   rr    rr
So, the ratio is 2:2 or 1:1.
The same ratio is for cros Yy x yy.
Thus, the cross between RrYy and rryy will yield four phenotypes in the 1:1:1:1 ratio.
In the attached photo, 1/4 of the offspring are RrYy, 1/4 are Rryy, 1/4 are rrYy, and 1/4 rryy. The ratio is 1/4:1/4:1/4:1/4, which is the same as 1:1:1:1.

Answer:

RrYy x rryy was verified correct on test

Explanation: jcAlmighty is correct and provided helpful data. just took odyssey ware bio test. Question: Which cross will yield four phenotypes in the 1:1:1:1 ratio? A. rryy x rryy, B. RrYy x rryy, C. RrYy x RrYy, D. RRYY x rryy.       B. RrYy x rryy was correct
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