1. Ultraviolet light
2. Cosmic rays
3. X-rays
4. Gamma rays
Ultraviolet light
1. Centromere
2. Cistron
3. Muton
4. Chromatin
Cistron
1. Regulator
2. Promoter gene
3. Operator gene
4. Constitutive gene
Promoter gene
1. One N2 base only
2. A set of two N2 base
3. A set of three N2 base
4. A set of three out of U,C,A,G
A set of three out of U,C,A,G
1. The repressor is positioned near to operon
2. The repressor is positioned next to the promoter
3. A key substance in the metabolic pathway is present
4. There is enough RNA polymerase present
A key substance in the metabolic pathway is present
1. tRNA
2. Amino acyl rRNA synthetase
3. Both (1) and (2)
4. Protein synthesis
Both (1) and (2)
1. 26
2. 36
3. 42
4. 39
42
1. Exonuclease
2. DNA polymerase III
3. Ligase
4. Endonuclease
Endonuclease
1. 77 only
2. 77 pairs
3. 88 only
4. 88 pairs
77 only
1. Codon
2. Anticodon
3. 5' end of the t-RNA molecule
4. 3' end of the t-RNA molecule
Anticodon