Exocytosis occurs as a result of
A. concentration gradients.
B. the expenditure of energy in the form of ATP.
C. hydrostatic pressure.
D. ion pumps.
E. molecular movement with carrier assistance.
Answer: B
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A molecule that moves electrons from the citric acid cycle to the electron transport chain is
A. pyruvic acid. B. CO2. C. ADP. D. NADH. E. H2O.
For a sprint lasting 60 seconds, ATP is supplied primarily by
A. phosphate transfer only. B. phosphate transfer and glycolysis. C. aerobic respiration only. D. conversion of lactate to pyruvate.
Neurogenesis is an example of plasticity in the human central nervous system
Indicate whether the statement is true or false
Homologous chromosomes make up a pair and contain genes arranged in the same or almost the same order.
a. true b. false