16. In the presence of a competitive inhibitor, which of the following changes in Michaelis-Menten enzyme kinetics is expected? (A) Vmax decreases, Km decreases. (B) Vmax remains unchanged, Km decreases. (C) Vmax decreases, Km increases (D) Vmax remains unchanged, Km increases (E) Vmax increases, Km increases

16. In the presence of a competitive inhibitor, which of the following changes in Michaelis-Menten enzyme kinetics is expected?
(A) Vmax decreases, K_m decreases.
(B) Vmax remains unchanged, K_m decreases.
(C) Vmax decreases, K_m increases
(D) Vmax remains unchanged, K_m increases
(E) Vmax increases, Km increases

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統計： A(0), B(1), C(0), D(3), E(0) #3853321

私人筆記 (共 1 筆)

2026/04/07

私人筆記#7956980

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v/Vmax = [S] / (Km +...

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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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