1. Deletion mutation
2. Start codon at the 5' end
3. Palindromic sequence of base pairs
4. Replication completed
Stirred-tank bioreactors have been designed for:
1. Addition of preservatives to the product
2. Purification of the product
3. Ensuring anaerobic conditions in the culture vessel
4. Availability of oxygen throughout the process
1. | cutting of DNA into fragments |
2. | separation of DNA fragments according to their size |
3. | construction of recombinant DNA by joining with cloning vectors |
4. | isolation of DNA molecule |
1. DNA ligase
2. endonucleases
3. DNA polymerase
4. exonucleases
Which of the following equipment is essentially required for growing microbes on a large scale for the industrial production of enzymes?
1. | Bioreactor | 2. | BOD incubator |
3. | Sludge digester | 4. | Industrial oven |
For transformation, microparticles coated with DNA to be bombarded with gene gun are made up of:
1. Silver or platinum
2. Platinum or zinc
3. Silicon or platinum
4. Gold or tungsten
Which one is a true statement regarding DNA polymerase used in PCR?
1. It is used to ligate introduces DNA in recipient cells
2. It serves as a selectable marker
3. It is isolated from a virus
4. It remains active at high temperatures
Which one of the following is a case of wrong matching?
1. | Somatic hybridization- Fusion of two diverse cells |
2. | Vector DNA- Site for tRNA synthesis |
3. | Micropropagation- In vitro production of plants in large numbers |
4. | Callus - Unorganized mass of cells produced in tissue culture |