Which type of muscle cell contains more than one nucleus?
a. smooth
b. cardiac
c. skeletal
d. rough
c. skeletal
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If a mutation is removed from a population due to either genetic drift or natural selection, it is said to be
A. fixed. B. maintained. C. extinct. D. controlled. E. negatively adapted.
Which step in gene mapping involves transformation?
A. Target DNA removed from cells and isolated B. Cloning host receives plasmid C. Target DNA and plasmid treated with the same restriction endonuclease D. Desired protein is produced by cloning host E. Gene is amplified by multiplication of cloning host
In terms of relatedness to a specific cellular process, which protein does not belong with the others?
A. Ribonuclease B. RNA polymerase holoenzyme C. DNA polymerase holoenzyme D. DNA ligase
As a cell becomes larger, its
A) volume increases faster than its surface area. B) surface area increases faster than its volume. C) volume increases, but its surface area stays the same. D) surface area stays the same, but its volume increases.