A selectable marker is necessary for a good cloning vector, for what purpose ?
Identification.
Section.
Identification & Solution.
Identification and solution of trans formants and non-trans formant .
Coconut milk (coconut water) is widely used in tissue culture because it contains :
Auxin.
Ethylene.
Cytokinin.
Giberellin.
Ca Mv - stands for:
Cali virus
Cauliflower Mosaic virus
Gemini virus
Monoclonal antibodies are used in :
Pregnancy testing.
Diagnosis of disease.
Preventing rejection of transplants.
All of the above.
The invitro incorporation of the gene segment of interest DNA and introduction of the recombinant 'Mini chromosome' into the most cell are two steps involved in :
Genetic engineering.
Tissue culture.
PCR.
VNTR.
The first recombinant DNA was made by:
Pearl Berg
Paul Bremer
Henrik Patrinaik
Herbert Boyer & Stanley Colene
Purified DNA can be precipitated by treating the content of DNA with:
Addition of ice cold ethanol
Addition of ethanol and Acetone
Addition of Ethanol & formation
None of these
During gel electrophoresis, movement of DNA fragment is based on which feature?
Position
Strands
Who among the following discovered the enzyme restriction endonuclease?
Hamilton Othanel Smith
F. Jacob
G. Hanson field
Herbicides acts usually by :
Blocking photosystem-I.
Blocking photosystem - II.
Blocking xylem vessels.
Blocking phloem channels.
