The nitrogenous base found in RNA but not in DNA
is
a. adenine.
b. cytosine.
c. guanine.
d. uracil.
e. thymine.
Answer: d
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What is the name for parasitic viral DNA that has been integrated into the chromosome of its bacterial host?
A. prophage B. prophase C. viroid D. virion E. arbovirus
_______ are characterized by having different types of teeth to feed on different types of food.
a) fishes b) birds c) amphibians d) reptiles e) mammals
Transposons:
a. move within a genome without making duplicates. b. move within a genome while making duplicates. c. use an RNA intermediate. d. use a DNA intermediate. e. All of the above.
The anterior pituitary gland receives hormone messages from the hypothalamus via ________.
a. a capillary network b. neurons that extend from the hypothalamus to the pituitary c. Schwann cells d. both a & b