Which of the following is not a good feature of a plasmid vector?

a. multiple cloning site
b. telomeres
c. antibiotic resistance gene
d. origin of replication
e. blue/white selection system


Ans: b

Biology & Microbiology

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List several configurations that characterize different viral chromosomes

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Frame-shift mutations:

A: only arise from deletions, not from insertions. B: almost always lead to loss of function. C: cause the ribosome to misread DNA. D: result in a single amino acid substitution. E: result from a deletion of three nucleotides.

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Although the biochemical study of reaction rates and free energies is important for understanding each biological reaction individually, these studies do not provide an accurate picture of what is happening to reactants and products inside the cell

Why not?

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