In the experiment involving bluegill sunfish and their choice of diet, when equal numbers of small, medium, and large
Daphnia are present, the sunfish ____.
a. prefer small Daphnia
b. prefer medium Daphnia
c. prefer large Daphnia
d. show no preference
e. will not consume Daphnia
ANSWER: c
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The human immunodeficiency virus (HIV) is an example of a retrovirus. In order to prevent incorporation of the viral DNA into the host genome, antiretroviral drugs could
A) target the viral enzyme reverse transcriptase. B) target the viral enzyme integrase. C) activate high levels of DNase in the cells to break down the viral DNA while it is still in the cytosol. D) all of the above E) none of the above
The heart is located in which body cavity?
a. cranial b. thoracic c. spinal d. abdominal e. pelvic
"Boy! You can line up all these homologous pairs of chromosomes in a lot of different ways!" This process is referred to as
A. segregation. B. synapse. C. independent assortment. D. crossing-over.
In Tetrahymena, Group I introns are found in genes for
a. rRNAs. b. histones. c. tRNAs. d. ribosomal proteins. e. snRNAs.