In the figures, which one represents cardiac muscle?

a. A
b. B
c. C
d. All of the above
e. None of the above


Answer: b. B

Anatomy & Physiology

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What structure does "D" represent on the diagram of the plasma membrane?

A. Internal membrane surface B. Phospholipid bilayer C. Membrane channel protein D. Peripheral protein E. Integral protein

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On a muscle fiber, the two terminal cisternae and the centrally placed T-tubule form a structure called a ________.

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

Anatomy & Physiology