Mutations are due to changes in_________________? A. DNA nucleotide sequence B. RNA nucleotide sequence C. Amino acid sequence of ribonuclease D. Cell walls

The initiation codon for protein synthesis is_____________? A. AUG B. UAA C. UUU D. UAG

Nonsense codons bring about__________________? A. Elongation of polypeptide chain B. Pre-translational modification of protein C. Initiation of protein synthesisD. Termination of protein synthesis

Unwinding of DNA is done by____________? A. DNAseB. Topo isomerase C. Ligase D. Reverse transcriptase

Which of the following process in involved in conversion of DNA to RNA___________? A. Conjugation B. Transduction C. TranslocationD. Transcription

Restriction endonuclease cleaves______________? A. Double stranded DNA B. SIngle stranded DNA C. SIngle stranded RNA D. Polypeptide

Genes are_____________? A. Ribonucleic acidB. Deoxy ribonucleic acid C. Lipoproteins D. Chromo proteins

DNA double helix is bound by_____________? A. Covalent bondB. Hydrogen bond C. Disulfide linkage D. Vander wall forces

Which base is not found in DNA________________? A. Adenine B. Guanine C. CytosineD. Uracil