181. Highest binding of iron in plasma is seen with___________?
A. Transferrin
B. Ferritin
C. Hemoglobin
D. Ceruloplasmin

182. Kinase requires_______________?
A. MN++
B. Cu++
C. Mg++
D. Inorganic phosphate

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

184. The initiation codon for protein synthesis is_____________?

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

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

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

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

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

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