54. In cells, energy can be released from substrates by anaerobic and aerobic respiration. Most eukaryotic cells can respire anaerobically. Which of the following describes a step in the process of anaerobic respiration? (A) decarboxylation of lactate (B) phosphorylation of hexoses (C) oxidation of pyruvate (D) removal of phosphate groups from glucose (E) decarboxylation of pyruvate to form acetyl-CoA

54. In cells, energy can be released from substrates by anaerobic and aerobic respiration. Most eukaryotic cells can respire anaerobically. Which of the following describes a step in the process of anaerobic respiration?
(A) decarboxylation of lactate
(B) phosphorylation of hexoses
(C) oxidation of pyruvate
(D) removal of phosphate groups from glucose
(E) decarboxylation of pyruvate to form acetyl-CoA

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統計： A(2), B(1), C(1), D(0), E(0) #3853359

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「無氧呼吸 (Anaerobic Res...

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13. Suppose a person begins breathing very rapidly while resting (hyperventilating), which of the following best describes how homeostasis is restored? (A) Rapid breathing decreases blood CO2 levels, thereby raising blood pH. The frontal cortex detects the change and reduces stimulation of the rib muscles and the diaphragm, thereby decreasing the breathing rate. (B) Rapid breathing increases blood CO2 levels, thereby causing the blood pH to drop. The hypothalamus detects the change and decreases stimulation of the rib muscles and the diaphragm, thereby reducing the breathing rate. (C) Rapid breathing decreases blood CO2 levels, thereby raising blood pH. The hypothalamus detects the change and reduces stimulation of the rib muscles and the diaphragm, thereby decreasing the breathing rate. (D) Rapid breathing increases blood CO2 levels, thereby causing the blood pH to drop. The medulla oblongata detects the change and reduces stimulation of the rib muscles and the diaphragm, thereby decreasing the breathing rate. (E) Rapid breathing decreases blood CO2 levels, thereby raising blood pH. The medulla oblongata detects the change and reduces stimulation of the rib muscles and the diaphragm, thereby decreasing the breathing rate.

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