What are the three main functions of the stomach?
What will be an ideal response?
The stomach temporarily stores food, it breaks down food mechanically, and it initiates the breakdown of proteins.
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If a population is not in Hardy-Weinberg equilibrium, we can conclude that:
A. evolution has occurred. B. natural selection has occurred. C. one of the assumptions of the Hardy- Weinberg equilibrium has been violated. D. evolution has occurred because one of the assumptions of the Hardy-Weinberg equilibrium has been violated. E. all of the answer options are correct.
Which of the following perceptions of taste is incorrect?
a. Bitter - elicited by simple sugars b. Sweet - elicited by glucose c. Sour - elicited by acids d. Salty - elicited by sodium chlorides e. Umami - elicited by glutamate
During the citric acid cycle, each acetyl group entering the cycle yields:a
1 ATP, 2 NADH, and 3 FADH2. b. 1 ATP, 3 NADH, and 1 FADH2. c. 3 ATP, 2 NADH, and 1 FADH2. d. 4 ATP, 2 NADH, and 1 FADH2. e. 1 ATP, 2 NADH, and 4 FADH2.
Antibiotics that contain a beta-lactam ring
A) bind to and cross-link peptidoglycans B) act as an antimetabolite C) bind to a bacterial RNA polymerase D) are erroneously incorporated as nucleic acids