Worldwide, ____ are often used as pollution-monitoring devices
a. chytrids
b. mycorrhizae
c. lichens
d. yeast
e. mushrooms
ANSWER: c
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An animal that can fertilize its own eggs is
A. a synchronous hermaphrodite. B. a sequential hermaphrodite. C. producing asexually. D. a protrandous hermaphrodite. E. a protogynous hermaphrodite.
PCR produces
A. DNA fragments of all possible sizes. B. DNA fragments that are one nucleotide larger than the next fragment. C. DNA fragments of a particular size. D. DNA fragments of increasing size. E. DNA fragments that are one nucleotide larger than the next fragment AND DNA fragments of increasing size.
The pulmonary artery carries blood away from the ____
a. aorta b. right atrium c. right ventricle d. left atrium e. left ventricle
A scientist is studying the lysogenic cycle of the lambda 1 phage of Escherichia coli. This means that she is investigating
A. the integration of the viral genome into the ribosomes present in the bacteria to direct protein synthesis for the capsid formation. B. the integration and stabilizing of a virus into its capsid, which provides protection until conditions are better for reproduction. C. the integration of the bacteria's genome with the viral genome outside of the bacteria's cell wall. D. the integration and stabilizing of the lambda 1 phase into a host cell's genome.