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

Satellite DNA classification is based on

(1)Base composition

(2)length of segment

(3)no of repetitive units

(4)All of the above

Satellite DNA are

(1) Protein coding

(2)M-RNA coding

(3)non- protein coding

(4)satellite protein coding