Which of the following structures has the active sites to which the heads of the thick filaments will bind?
A. Myosin
B. Troponin
C. Actin
D. Tropomyosin
E. Sarcoplasm
Answer: C
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The articulation between the humerus, radius, and ulna is a(n) ____________________ joint, a type of diarthrodial joint.
Fill in the blank(s) with the appropriate word(s).
The activity of the nervous system is dependent upon
A) cellular connections. B) large amounts of energy. C) a proper intracellular environment. D) a proper extracellular environment. E) All of the answers are correct.
You have a condition in which your fibroblasts are functional, but very inefficient and produce collagen at a slow rate. You accidentally cut yourself. What will be true of the healing process?
A. Heavy scar tissue will be produced in the wound. B. The process of wound closing in the dermis will be very slow. C. Only the epidermis will heal. The dermis will remain injured until medical intervention occurs. D. No scab or clotting will form.
Insulin resistance may be stimulated by elevated concentrations of all of the following EXCEPT ________.
A. adiponectin B. tumor necrosis factor alpha C. retinol binding protein 4 D. resistin