The major advantage of using artificial chromosomes such as bacterial artificial chromosomes (BACs) for cloning genes is that _____
A) plasmids are unable to replicate in cells
B) only one copy of a plasmid can be present in any given cell, whereas many copies of a BAC can coexist in a single cell
C) BACs can carry much larger DNA fragments than ordinary plasmids can
D) BACs can be used to express proteins encoded by inserted genes, but plasmids cannot
E) BACs are double-stranded, whereas plasmids are single-stranded
Answer: C
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a. 1 b. 2 c. 3 d. 4
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What will be an ideal response?
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