A frameshift is caused by ________ mutations?
A. deletion and insertion
B. insertion and nonsense
C. missense and insertion
D. missense and nonsense
E. nonsense and deletion
Answer: A
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Insertion sequences can be identified by which of the following?
A. Presence of an integrase enzyme B. High level of mutation C. Presence of inverted repeats at the end of the sequence D. Presence of a reverse transcriptase enzyme
Movement of the chromosomes during anaphase would be most affected by a drug that prevents _____
A) nuclear envelope breakdown B) elongation of microtubules C) shortening of microtubules D) formation of a cleavage furrow
An example of an inorganic molecule is
A. CaCl2. B. C2H6. C. C2H5OH. D. C3H5(OH)3.
Reactions involving ligases are typically ________ reactions.
A. anabolic B. catabolic C. both anabolic and catabolic D. neither anabolic nor catabolic E. exergonic