The most common source of DNA mutation is _____; however, these mistakes are typically corrected
a. cigarette smoke
b. UV light
c. errors in DNA replication
d. errors in protein synthesis
e. pesticides on the food we eat
ANSWER: c
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The bulging of a(n) _____ during the contraction of the ventricles is referred to as the _____
a. arteriole; pulse b. artery; blood pressure c. arteriole; blood pressure d. artery; pulse e. vein; pulse
In vertebrates, mechanoreceptors are not found in which of the following:
1.skin 2.skeletal muscles 3.walls of blood vessels 4.internal organs 5.all of these structures have mechanoreceptors
An enzyme that catalyzes the cutting and resealing of DNA, and is translated from insertion sequences, is
A) RNA polymerase. B) DNA ligase. C) DNA helicase. D) transposase. E) DNA polymerase.
What happens to the field of view if you switch from the high-power objective to the low-power objective?
A) increases. B) decreases. C) remains the same. D) cannot be determined.