If the linear double stranded genomic DNA of bacteriophage T4 is heated and cooled, one gets both linear and circular molecules because,
A. All linear DNA on heating and cooling attain circular shape
B. The DNA molecules are circularly permuted
C. The DNA molecule has cohesive terminal ends
D. The RNA component of the genomes gets hydrolyzed to results in the circularization
Answer: Option C
This Question Belongs to Biotechnology Engineering >> Methods And Techniques In Applied Biology
Which of the following would not possible to address using a Northern Blot?
A. Location of restriction sites in a particular gene
B. Spatial expression of a particular gene
C. Temporal expression of a particular gene
D. mRNA size
In southern blotting . . . . . . . . is separated by gel electrophoresis
A. DNA
B. m-RNA
C. t-RNA
D. Protein
A restriction enzyme AluI with a 4-bp recognition site produces restriction fragments that should be
A. 4096 bp
B. 256 bp
C. 16 bp
D. 436 bp
A. To add base at the 3' end of the DNA
B. To add base at the 5' end of the DNA
C. To carry out nick translation
D. To transfer phosphate at the 3' end of the DNA
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