The first phase of aerobic cellular respiration is:
A. the citric acid cycle.
B. glycolysis.
C. the electron transport system.
D. fermentation.
E. the preparatory reaction.
Answer: B. glycolysis.
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Refer to the figure above. Which structure is responsible for stabilizing DNA in its single-stranded form?
A) A B) B C) C D) D
Which of the following is the best description of a control group in an experiment?
A) The control group and the test groups may have several differences between them. B) The control group is identical to each test group, except for one variable. C) There can be more than one difference between the control group and test groups but not several differences; otherwise, the experiment is invalid. D) There should be more than one control group in any experiment. E) The control group is a test group that is chosen at random
If a cell with 16 chromosomes undergoes mitosis, how many chromosomes will each daughter cell have?
A) 8 B) 4 C) 16 D) 32
If a national park is located at twenty inches above sea level, when approximately will it be
fully submerged?
a. in 100 years b. in 200 years c. in 300 years d. in 400 years