The receptors in a sour taste bud bind _____ which block ______ channels. This depolarizes the membrane because __________

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


Ans: H+; K+; positive ions continue to leak into the cell but ar prevented from leaking out

Biology & Microbiology

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a. Antibiotics b. Vaccination c. Mosquito control d. Quarantine e. Improve water quality

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If a person uses Percocet, a morphine relative, to which of these drugs might that person develop cross-tolerance?

A) ecstasy B) cocaine C) heroin D) marijuana

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Vitamin D causes the parathyroid to inhibit new PTH synthesis.

a. true b. false

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Through which process do bacteria recycle nutrients in the environment?

A) Decomposition B) Photosynthesis C) Conjugation D) Binary fission E) Endospore formation

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