During oxidative phosphorylation, hydrogen atoms are passed serially from a coenzyme down a chain of molecules called cytochromes.
Answer the following statement true (T) or false (F)
False
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The medial muscles of the thigh are innervated by the
A) obturator nerve. B) femoral nerve. C) genitofemoral nerve. D) saphenous nerve. E) iliohypogastric nerve.
The area of the brain stem involved in controlling forced expirations is called (the)
A) pneumotaxic center. B) dorsal respiratory group. C) ventral respiratory group. D) apneustic center. E) None of the answers are correct.
The period of time following an action potential during which a membrane cannot be restimulated no matter how strong the stimulus
a. is known as the absolute refractory period. b. occurs during the time after the Na+ gates have opened until they are restored to their "closed but capable of opening" conformation. c. prevents the action potential from spreading back over the part of the membrane where the impulse has just passed. d. two of these. e. all of these answers.
The order of the small intestine segments, from proximal to distal, is
A) ileum, jejunum, duodenum. B) jejunum, duodenum, ileum. C) duodenum, jejunum, ileum.