Binding sites on the surface of actin allow the formation of cross-bridges with molecules of
A. tropomyosin.
B. ATP.
C. troponin.
D. myosin.
Answer: D
Anatomy & Physiology
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NMDA and AMPA receptors both bind the neurotransmitter __________
Fill in the blank with the correct word.
Anatomy & Physiology
Sildenafil (Viagra) prolongs erection by ________
A) stimulating production of cGMP B) activating nitric oxide (NO) production C) inactivating guanylate cyclase D) inhibiting nitric oxide (NO) production E) inhibiting degradation of cGMP
Anatomy & Physiology
The most common extracellular cation is ________.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
Which of the following statements relates to the proximal radioulnar joint?
A) It involves the humeroulnar joint. B) Supination and pronation occur here. C) It is actually two joints. D) It is extremely stable. E) None of the answers are correct.
Anatomy & Physiology