The period of the cell cycle when the cell grows and performs its metabolic activities is ________
A) anaphase
B) interphase
C) metaphase
D) telophase
B
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The enzyme that can digest fibrin and dissolve a clot is
A) thrombin. B) plasmin. C) heparin. D) fibrinase. E) phosphokinase.
Thyroid hormone's effects are to
A. increase metabolic rate and body temperature by increasing protein synthesis in target cells. B. increase metabolic rate and body temperature by turning on the G protein, cAMP cascade. C. decrease metabolic rate and body temperature by increasing protein synthesis in target cells. D. decrease metabolic rate and body temperature by turning on the G protein, cAMP cascade. E. increase metabolic rate and body temperature by turning off the G protein, cAMP cascade.
The mitochondrion is the site of ________.
A. glycolysis B. lactate formation C. the citric acid cycle D. electron-transport chain E. Both "the citric acid cycle" and "the electron-transport chain" are correct.
Which of the following changes would occur during exercise?
A. Increased oxygen extraction by muscles B. Increased blood gases C. Decreased oxygen delivery to muscles D. Decreased ventilation