Lactic acid is the result of LDH (lactic acid dehydrogenase) mediated ________ of pyruvic acid with electrons taken from NADH + H+.
A. reduction
B. hydrolysis
C. oxidation
D. phosphorylation
Answer: A
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Interactions between actin and myosin filaments of the sarcomere are responsible for
A) muscle fatigue. B) the conduction of neural stimulation to the muscle fiber. C) muscle contraction. D) muscle relaxation. E) the striped appearance of skeletal muscle.
Metabolic pathways that include synthetic reactions are called
A) Anabolic B) Catabolic C) Amphibolic D) Both A and C
The reinforcement of a stimulus so that a climax is reached is known as ________.
Fill in the blank(s) with the appropriate word(s).
Decreased blood calcium level would result in increased secretion of which hormone?
A) parathyroid hormone B) calcitonin C) growth hormone D) thyroid stimulating hormone E) cortisol