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प्रश्न
The recognition sequence of restriction enzymes is generally ______ nucleotide long.
पर्याय
2 to 4
4 to 8
8 to 10
14 to 18
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उत्तर
The recognition sequence of restriction enzymes is generally 4 to 8 nucleotides long.
Explanation:
The sequences recognized by restriction enzymes are 4 to 8 nucleotides long and characterized by a particular type of internal symmetry. Consider the specific sequence recognized by the enzyme EcoRI.
संबंधित प्रश्न
The vector Baculovirus is used for gene transfer in ____________.
Human insulin is produced by culturing the genetically engineered ______
What is true for plasmid?
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.
Study the following lists and choose the correct match.
| List I | List II |
| A. Vector | (i) Resistant to cotton bollworms |
| B. Downstream processing | (ii) Mobile genetic elements |
| C. Cry II AB | (iii) Controls corn borers |
| D. Transposons | (iv) Ti plasmid |
| (v) Purifying protein in biopharmaceuticals |
The DNA polymerase enzyme used in PCR is obtained from______.
Give a reason for the following:
The diagram given below represents vector pBr322 which was modified by a research scholar Dr. Rayon, but the vector was rejected by his guide.
The restriction enzymes used as molecular scissors are type of ______.
What is the function of DNA ligase in the creation of recombinant DNA?
Genetic engineering is also known as:
