The answer is C. its easy just study Don't Look for answers
Answer: Examples of beneficial mutations are HIV resistance, lactose tolerance, and trichromatic vision.
Second messenger systems: The amino acid-derived hormones epinephrine and norepinephrine bind to beta-adrenergic receptors on the plasma membrane of cells. Hormone binding to receptor activates a G protein, which in turn activates adenylyl cyclase, converting ATP to cAMP.
3. maintain internal stability
Answer:
Glucose is a type of sugar, which obv is food.
Explanation:
Glucose is energy
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