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kodGreya [7K]
4 years ago
15

What does a horizontal line represent on a distance-time graph?​

Biology
2 answers:
Ket [755]4 years ago
8 0

Answer: t represent the x axis the independent variable

Explanation:

PilotLPTM [1.2K]4 years ago
6 0

It represent the x axis the independent variable

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At carrying capacity, a population
Iteru [2.4K]

Answer:

at carrying capacity a population stays the same or decreases

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when the population is at its capacity either some of the species start to die off or it does not change

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which one of the following statements is not true of the helper t cell response? science philosophy of the vsc
sergeinik [125]

The fact that helper T cells produce antibodies is incorrect. T cells can stimulate B cells to make antibodies, but they cannot make them by themselves.

<h3>What is cell-mediated immunity?</h3>

Cell-mediated immunity includes B cells and T helper cells, both of which are important components of the adaptive immune system. Antigen-presenting cells (APCs) first activate helper T cells by showing them the antigen that is carried by them. After T-helper cell activation, it secretes some cytokines that further stimulate the cell differentiation of T cells and activate B cells. The B cell, after activation, makes antibodies that are required to kill the particular pathogen in the body.

Hence, the option that mentions that helper T cells produce antibodies is incorrect.

Learn more about the cell-mediated immunity, here

brainly.com/question/9924784

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The question is incomplete. The complete question is below

1) which one of the following statements is not true of the helper t cell response? (select one)

a) They can stimulate B cells.

b) They are responsible for cell mediated immunity.

c) Helper T cell can secret cytokines.

d) They require an antigen presenting cell.

e) They produce antibodies.

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Food availability 
<span>Predator populations </span>
<span>Disease and parasites</span>
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