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Answer:
Photosynthesis
Explanation:
Plants absorb Carbon Dioxide through small holes in their leaves. Not the roots that are in the soil.
Insulin receptors regulate glucose level in blood. without that, glucose level would be uncontrolled/not normal (high/low) and it would be impossible to maintain homeostasis (stability) :P hope it will help.. :))
Involved a dramatic and sudden increase
<h3><em><u>C.</u></em><em><u> </u></em><em><u>This cell has no nucleus.</u></em></h3>
Because bacterial cell do not have a well-defined nuclear membrane. The coiled DNA particles lie naked in the cytoplasm. This is called nucleoid. While in animal cells the nucleus is surrounded by a well-defined nuclear membrane.
