The ion required for skeletal muscle contraction is ____

a. chloride
b. potassium
c. calcium
d. phosphate
e. ATP


ANSWER: c

Biology & Microbiology

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The process of gene expression includes two steps:

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

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The term coitus means ____

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The epididymis connects the

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