Biotechnology: Principles and Processes questions
542 published questions with worked solutions.
- GAATTC is the recognition site for the restriction endonuclease:
- I. Copy number is defined as the number of copies of a plasmid present in a cell. II. It varies from 15-100 copies per cell....
- For a selectable marker: I. It helps to select the host cells which contain the vector and eliminate the non transformants. II....
- I. Ori also controls the copy numbers of the linked DNA. II. If a foreign DNA ligates at the Bam HI site of the tetracycline...
- The most important feature of a plasmid to be used as a vector is:
- The restriction enzyme(s) used in recombinant DNA technology that make staggered cuts in DNA leaving sticky ends is/are:
- The role of DNA ligase in the construction of a recombinant DNA molecule is:
- The key tools required for the recombinant DNA technology are: I. restriction enzymes II. Polymerase enzymes III. host organism...
- In plants, the tumour inducing plasmid (Ti) of Agrobacterium tumefaciens is used as a cloning vector. This statement is:
- In agarose gel electrophoresis, DNA molecules are separated on the basis of their:
- I. Bacteriophages are ...A... infecting ...B.... II. ...C... are hybrid vectors derived from plasmids which contain the cos site...
- In the cloning plasmid pBR322, p stands for ...A..., B stands for ...B... and R stands for ...C.... Choose the correct option.
- Which of the following techniques is most commonly used to separate DNA molecules by size?
- I. DNA being a hydrophilic molecule cannot pass through cell membranes. II. The bacteria should be made competent to accept the...
- Transfer of any gene into a completely different organism can be done through [BCECE 2008]:
- Transfer of any gene into a completely different organism can be done through [BCECE 2008]:
- Which of the following method(s) is used to introduce foreign DNA into host cells?
- In gel electrophoresis, the sample DNA is cut into fragments by:
- I. ...A... is the ability of a cell to take up foreign DNA. II. The cell is treated with a specific concentration of a divalent...
- An antibiotic resistance gene in a vector usually helps in the selection of:
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and IntegrationChemical Kinetics