Which of the following gives a cell structural support, determines the shape of a cell, and directs the movement of substances through a cell?
A. Cholesterol
B. The nucleus
C. The plasma membrane
D. The Golgi complex
E. The cytoskeleton
E. The cytoskeleton
Anatomy & Physiology
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A skeletal muscle's blood supply is generally best described as
A) sporadic. B) poor. C) very good. D) avascular. E) None of the answers are correct.
Anatomy & Physiology
Epinephrine and norepinephrine exert identical effects in all tissues
Indicate whether the statement is true or false
Anatomy & Physiology
Which light-touch receptor is associated with Merkel cells in the epidermis?
What will be an ideal response?
Anatomy & Physiology
The physiologic event that takes place at the plasma membrane of a skeletal muscle fiber is
a. release of calcium. b. propagation of an action potential. c. binding of calcium by troponin. d. crossbridge cycling.
Anatomy & Physiology