Acetylcholine ____ skeletal muscle and ____ cardiac muscle

a. stimulates; also stimulates
b. stimulates; inhibits
c. inhibits; stimulates
d. inhibits; also inhibits
e. binds receptors on; does not bind receptors on


b

Biology & Microbiology

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The coelacanth gave rise to the ____

a. ray-finned fish b. chimaeras c. tetrapods d. dogfish e. lungfish.

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Compare and contrast passive and active transport mechanisms, and give an example of each

What will be an ideal response?

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When electrons move closer to a more electronegative atom, what happens? The more electronegative atom is _____

A) reduced, and energy is released B) reduced, and energy is consumed C) oxidized, and energy is consumed D) oxidized, and energy is released

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Which of the following are carcinogens?

A. Sunlight B. Tobacco C. Xrays D. all of the above

Biology & Microbiology