Biology

What do we call things that directly affect all activities of cells?

More Questions from Biology
Which of these animals is warm-blooded?
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What part of the brain is responsible for vision?
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Which of the following is a warm-blooded animal?
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What will happen to crops if they do not get enough water while getting too much heat?
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What is the liquid in your mouth that helps soften food called?
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Which of the amino acids is actually an imino acid?
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What does the sea urchin use to help protect itself?
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What system helps animals exchange carbon dioxide and oxygen?
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