When a person gets dehydrated while exercising on a hot day, their pituitary gland releases ADH, a hormone that signals the kidneys to retain more water. This is an example of

A) Positive feedback regulation
B) Negative feedback regulation
C) Chemical cycling
D) Emergent properties


B

Biology & Microbiology

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Enzyme inhibitors disrupt normal interactions between an enzyme and its ______.

Fill in the blank(s) with the appropriate word(s).

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Which process describes the forcing of water and other small molecules from the blood into a kidney tubule?

A) absorption B) filtration C) secretion D) excretion

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Which is a transgenic organism?

A) a fern grown from a single fern root cell B) a rat that has had rabbit hemoglobin genes added to its genome C) a cow that has been fed pig growth hormone in its food D) a human given a corrected human blood-clotting gene

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Typically the final product of recombinant DNA technology is a

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