The protein that regulates muscle contraction by controlling the availability of active sites on actin is called
A) actin.
B) titin.
C) myosin.
D) tropomyosin.
E) nebulin.
D
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Which is not correct regarding the penis?
A. The penis is the male copulatory organ. B. The root of the penis is attached to the pubic arch. C. The prepuce is removed during circumcision. D. The enlarged proximal end is called the glans. E. The body of the penis contains the corpora cavernosa and corpus spongiosum.
The three basic parts of a medical term include ________
A) Prefix, word root, suffix B) Prefix, stem, ending C) Suffix, base, meaning D) Base, word root, stem
Ca2+ binding to tropomyosin causes myosin to change shape, physically moving it away from its blocking position
a. True b. False Indicate whether the statement is true or false
The cell is the smallest living portion of the human body.
Answer the following statement true (T) or false (F)