Advertisements
Advertisements
Question
The biological scissor is ______.
Options
restriction endonuclease
gyrase
DNA ligase
helicase
Solution
The biological scissor is restriction endonuclease.
APPEARS IN
RELATED QUESTIONS
Explain the work carried out by Cohen and Boyer that contributed immensely in biotechnology.
Name the most commonly used bioreactor and describe its working.
Bt-cotton shows adverse effect on the population of which butterfly?
Vectors are ____________ molecules that carry a foreign gene and replicate inside the host cell.
Exonuclease performs the function of ____________.
EcoRl & Hind III are the examples of ______
A recombinant DNA molecule was created by ligating a gene to a plasmid vector. By mistake, an exonuclease was added to the tube containing the recombinant DNA. How does this affect the next step in the experiment i.e. bacterial transformation?
Identify the desirable characteristics for a plasmid used in rDNA technology from the following.
- Ability to multiply and express outside the host in a bioreactor.
- A highly active promoter.
- A site at which replication can be initiated.
- One or more identifiable marker genes.
- One or more unique restriction sites.
Which of these are most widely used in genetic engineering?
Suneeta is planning an experiment to clone a gene in a vector. So, she has to choose a good cloning vector.
Which one of the vectors shown below should she choose? Justify your answer by giving two reasons.
 |
 |
 |
| Vector A | Vector B | Vector C |
