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Enzymes for DNA Manipulation Multiple Questions and Answers.
| 1. | An enzyme which synthesis, DNA from RNA is called? | ||
| A. | DNA polymerase | ||
| B. | RNA polymerase | ||
| C. | Nucleases | ||
| D. | Reverse transcriptase | ||
| 2. | Name the bacterium from which Taq DNA polymerase derived? | ||
| A. | Thermus aquaticus | ||
| B. | Salmonella | ||
| C. | Cyanobacteria | ||
| D. | E.coli | ||
| 3. | Name the enzyme which degrades DNA molecule by breaking its phosphodiester bonds? | ||
| A. | DNA polymerase | ||
| B. | Nucleases | ||
| C. | Ligase | ||
| D. | Reverse transcriptase | ||
| 4. | Which of the following is NOT an endonuclease? | ||
| A. | Mung bean nuclease | ||
| B. | S1 nuclease | ||
| C. | Terminal deoxynucleotidal transferase | ||
| D. | RNase A | ||
| 5. | Which of the following endonuclease has been purified from Aspergillus oryzae? | ||
| A. | S1 nuclease | ||
| B. | RNase H | ||
| C. | RNase A | ||
| D. | Mung bean nuclease | ||
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