Untranslated regions (UTRs) are present

(1) before and after the stop codon

(2) after the start codon and before the stop codon

(3) before and after the start codon

(4) before the start codon and after the stop codon

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