Which best describes a result of sexual reproduction?
a. The only source of variation is mutation.
b. Clones of the original cell are produced.
c. One cell divides to produce two identical cells.
d. Two sex cells combine to form a fertilized cell.
e. The offspring obtain genes only from one parent.
d
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In the reactions of glycolysis, acetyl-CoA formation and the citric acid cycle, chemical energy is transferred to the bonds in:
A. ATP. B. electron carriers. C. fats. D. a and b are correct. E. a, b, and c are all correct.
Match the following items with the correct phrases.
_______1. The brightly colored algae that grow in the hot springs at Yellowstone National Park are examples. _______2. Organisms in this category could grow on mannitol-salt-agar. _______3. Organisms in this category could grow on mannitol-salt-agar. _______4. Bacteria that live in the ocean are examples, regardless of the temperature of the water. _______5. A specific group of microorganisms whose optimal growth temperature is 4°C. _______6. Vibrio cholerae is an example. a. mesophiles b. thermophiles c. psychrophiles d. psychrotrophs e. halophiles
Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
What will be an ideal response?
In an elegant set of experiments, which protein did Anfinsen study in order to understand how the three-dimensional
structure of proteins is determined?
a. ovalbumin b. chaperonin c. ribonuclease d. insulin e. hemoglobin