Polypeptides are

(1) dictated by DNA

(2)represented by mRNA

(3)Expresssion of t-RNA

(4)Both 1 and 2

Protein synthesis takes place in

(1) cytoplasm

(2) nucleoplasm

(3) Both 1 and 2

(4) none of these

The reaction, Amino acid + ATP = Aminoacyl-AMP + P-P depicts

(1)Amino acid assimilation

(2)Amino acid transformation

(3)Amino acid activation

(4)Amino acid translocation

Percentage of base sequences which are dissimilar among humans is

(1) 99.9%

(2) 0.01%

(3) 0.10%

(4) 1.01%

How many base sequences would be different in the genome of two human beings-

(1)3million

(2)3 billion

(3)6.2 million

(4)30million

Differences in sequence of DNA make every individual unique in their

(1)total number of nucleotides

(2)phenotypic appearance

(3)both 1 and 2

(4)None of these

DNA fingerprinting is used to compare

(1) similar sequences between two individuals

(2) dissimilar sequences between two individuals

(3) 3 million base pairs of two individuals

(4) Both 2 and 3

DNA fingerprinting identifies differences in

(1)repetitive DNA

(2)bulk DNA

(3)satellite DNA

(4)Both 1 and 2

During density gradient centrifugation, major peaks are formed by

(1)bulk DNA

(2)repetitive DNA

(3)Genomic DNA

(4)Both 1 and 3

During density gradient centrifugation, minor peaks represent

(1) bulk DNA

(2)repetitive DNA

(3)Genomic DNA

(4)Satellite DNA