Which of the following substances is found in the
least amount in the small intestine?
a. HCI
b. fats
c. monoglycerides
d. amino acids
e. sugars
Answer: a
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The enzyme used by retroviruses to make a DNA copy of their RNA genome is called
A. RNA polymerase. B. reverse transcriptase. C. DNA polymerase. D. RNA replicase.
Mutational hot spots occur most often where the DNA is
A) unwound and stretched. B) repetitive or symmetrical. C) highly coiled. D) bound by RNA polymerase.
Many carnivores have lost their taste receptor that detects:
a. bitterness b. saltiness c. sweetness d. sourness e. fattiness
How does the removal of prairie dogs differ from the removal of any other animal species? a. Removal of prairie dogs fundamentally changed the community from one with high speciesdiversity to one dominated by mesquite and grasses
b. Removal of prairie dogs allowed for a more diverse community structure to becomeestablished. c. Removal of all other species had only a temporary effect on other populations. d. Both a and c above .