In skeletal muscle contraction, which of the following binds to myosin?

a. troponin
b. Ca2+
c. tropomyosin
d. ATP
e. acetylcholine


D

Biology & Microbiology

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The virus originally used for vaccination against smallpox is named

A. vaccinia. B. cowpox. C. rubella. D. herpes.

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A suggested explanation of how an event occurs, which can be tested, is referred to as which of the following?

a. theory b. guess c. hypothesis d. scientific law

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High temperatures can alter the three-dimensional shape of a protein. This process is called denaturing. How might this affect the activity of an enzyme?

What will be an ideal response?

Biology & Microbiology

The type of skeleton that consists of fluid constrained within a layer of flexible tissue is a(n)

A. vascular canal. B. endoskeleton. C. gastrovascular cavity. D. exoskeleton. E. hydrostatic skeleton.

Biology & Microbiology