A gene mutation
a. is a temporary change in the nucleotide sequence of DNA.
b. may be caused by environmental agents.
c. always arises spontaneously.
d. occurs only in eukaryotes.
e. is always damaging to the organism.
ANSWER: b
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A clone is the result of
a. asexual reproduction, which involves fertilization. b. asexual reproduction, which does not involve fertilization. c. sexual reproduction, which involves fertilization. d. sexual reproduction, which does not involve fertilization
Glycolysis is also called the ________ pathway after the scientists who did most of the work to define it
Fill in the blank with correct word.
The person responsible for the current scheme for grouping organisms is
A. Aristotle. B. Darwin. C. Linnaeus. D. Malthus.
Female fire beetles, Melanophilia sp., must seek out freshly-burned trees to lay their eggs in so the larvae can feed on the burned wood. What specialized neural structures might you expect these beetles to have to facilitate this behavior?
A. Special, enlarged synapses for rapid synaptic transmission B. Giant brain structures for processing auditory information C. Extra large axons for rapid axonal transduction D. Special sensory structures that can detect signs of fire or burned wood