The activity of the ribosome in translation is analogous to a(n) _____
a. assembly line
b. dance
c. planet racing around the sun
d. foot race
e. chess game
ANSWER: a
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All germicides are capable of killing all pathogenic organisms and endospores.
Answer the following statement true (T) or false (F)
A breeder of thoroughbreds selects only the fastest horses for breeding stock. This is an example of artificial _____
a) directional b) disruptive c) frequency-dependent d) sexual e) stabilizing
After the Decolorization step in Gram staining, Gram-negative bacteria will appear
A. Pink/red in color B. Colorless C. Brown in color D. Green in color E. Blue/Purple in color
What is one way that incorrect nucleotides are removed from a newly synthesized molecule of DNA?
A) DNA polymerases remove incorrect nucleotides and replace them with correct ones. B) DNA ligases both remove and replace incorrectly positioned nucleotides. C) Any DNA strand with an error is destroyed, and an entire new strand is synthesized. D) Crossing over replaces regions with DNA errors with new segments of DNA. E) DNA ligases remove incorrect nucleotides for replacement by DNA polymerases.