Recombinant DNA - Section 1 Multiple Questions and Answers.




1.The piece of equipment, that introduces DNA into cells via DNA-coated microprojectiles is known as
A. laser
B. DNA probe
C. gene gun
D. inoculating needle

2.The advantage of using DNA polymerases from thermophilic organisms in PCR is that
A. the DNA polymerases of these bacteria are much faster than those from other organisms
B. the DNA polymerases of these bacteria can withstand the high temperatures needed to denature the DNA strands
C. the DNA polymerases of these bacteria never make mistakes while replicating DNA
D. all of these

3.The advantage of using DNA polymerases from thermophilic organisms in PCR is that
A. the DNA polymerases of these bacteria are much faster than those from other organisms
B. the DNA polymerases of these bacteria can withstand the high temperatures needed to denature the DNA strands
C. the DNA polymerases of these bacteria never make mistakes while replicating DNA
D. all of these

4.The advantage of using DNA polymerases from thermophilic organisms in PCR is that
A. the DNA polymerases of these bacteria are much faster than those from other organisms
B. the DNA polymerases of these bacteria can withstand the high temperatures needed to denature the DNA strands
C. the DNA polymerases of these bacteria never make mistakes while replicating DNA
D. all of these

5.For gene probes to be useful they must
A. be large enough to contain gene-specific sequences
B. be labeled in some manner to allow detectio
C. both (a) and (b)
D. none of the above

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