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प्रश्न
Ti plasmid being used for introducing genes in plants obtained from ______.
विकल्प
Agrobacterium rhizogenes
Escherichia coli
Agrobacterium T20
Agrobacterium tumefaciens
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उत्तर
Ti plasmid being used for introducing genes in plants obtained from Agrobacterium tumefaciens.
संबंधित प्रश्न
Name the genes responsible for making Bt cotton plants resistant to bollworm attack. How do such plants attain resistance against bollworm attacks? Explain.
Give a reason why :
Proteases are added during the isolation of DNA for genetic engineering.
Following are the four statements regarding separation of DNA fragments using Gel electrophoresis. Identify the INCORRECT statements.
i. DNA is negatively charged molecule and so it is loaded on gel towards the Anode terminal.
ii. DNA fragments travel along the surface of the gel whose concentration does not affect movement of DNA.
iii. Smaller the size of DNA fragment, larger is the distance it travels through it.
iv. Pure DNA can be visualized directly by exposing to UV radiation.
The vector Baculovirus is used for gene transfer in ____________.
Who among the following was awarded the Nobel Prize for the development of PCR technique?
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 the following statements are true about cloning vectors?
- Vectors are DNA molecules that carry a foreign DNA segment.
- The replicated DNA is introduced into the host cell.
- It possesses the origin of replication (Ori).
- Vectors may be plasmid, bacteriophage, Yeast artificial chromosomes (YACs), etc.
- Vectors do not require a selectable marker to identify and eliminate non-transformants.
Choose the correct answer from the options given below.
How gene amplification is done?
Which amino acid is coded by the initiation codon?
How many sets of primers are required in each cycle of PCR?
