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Nata [24]
2 years ago
13

Which statement best describes how some trees respond to decreasing

Biology
1 answer:
Alekssandra [29.7K]2 years ago
6 0

Answer:

its a

Explanation:

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Less risk of type 2 diabetes 
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What types of antigen do T cells NOT recognize? What types of antigen do T cells NOT recognize? self-antigens bacterial antigens
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Answer:

Self-antigens are not recognized and attacked by the T cells.

Explanation:

In immunology, the antigens are those substances which are bound by the antibodies. The antigens can be originated from within the bodies, known as self antigens or from outside the body, known as non-self antigens. The immune system identifies and attacks non-self invaders or the foreign harmful objects present in the body. It does not attack the self-antigens under the normal conditions. This is due to the negative selection of T cells of the thymus.

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Why can water pass through the cell membrane?
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Water can pass throught the cell membrane because, the cell membrane has little holes in the membrane allowing water to go through

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Briefly explain the relationship between cells, organs and tissues
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Answer/Explanation:

Cells of a similar type are organized together to make tissues. Different types of tisues come together to perform a similar function as part of organs.

For example, take the organ the stomach. There are various tissues that make up the stomach, including, for example, mucosa, and muscle tissue.

The mucosa tissue of the stomach is made up of secretory cells such as parietal cells, which secrete hydrochloric acid, and foveolar cells which produce mucus that protects the lining of the stomach.

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Where does positive selection of t cells occur?
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Positive selection of t cells occur in .the thymus
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