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Answer:</h2>
<h3>1. Hepatitis B </h3><h3>2. Levels of circulating antibodies against a certain antigen.</h3>
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Explanation:</h2>
<h3>Hope its help</h3>
Radiation can actually affect the entire body, however it has a large effect of the bone marrow. Radiation is dangerous because too much can cause cellular depredation, this happens in environment that rapidly change like the bone marrow, which then interferes with blood cell production.
Explanation:
Phototropism- a response to <u>light stimulus</u> that directs the stem to grow toward the light and roots to grow away from it.
ii. Gravitropism- Stems and leaves grow away from the force of <u>gravity</u> while roots grow toward it.
iii.Thigmotropism - growth in response to <u>touch stimulus.</u> The side of the stem in contact with the object grows slower than the side not in contact. This causes the vine to twist around the object.
A. Cell membrane would be the answer.
