Cucleo Protiens Mineral Metabolism Mcqs
Q.1: Which base is not found in DNA________________?/
A. Adenine
B. Guanine
C. Cytosine
D. Uracil
Q.2: DNA double helix is bound by_____________?*
A. Covalent bond
B. Hydrogen bond
C. Disulfide linkage
D. Vander wall forces
Q.3: Genes are_____________?
A. Ribonucleic acid
B. Deoxy ribonucleic acid
C. Lipoproteins
D. Chromo proteins
Q.4: Restriction endonuclease cleaves______________?/
A. Double stranded DNA
B. SIngle stranded DNA
C. SIngle stranded RNA
D. Polypeptide
Q.5: Which of the following process in involved in conversion of DNA to RNA___________?R
A. Conjugation
B. Transduction
C. Translocation
D. Transcription
Q.6: Unwinding of DNA is done by____________?(
A. DNAse
B. Topo isomerase
C. Ligase
D. Reverse transcriptase
Q.7: 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
Q.8: The initiation codon for protein synthesis is_____________?;
A. AUG
B. UAA
C. UUU
D. UAG
Q.9: Mutations are due to changes in_________________?1
A. DNA nucleotide sequence
B. RNA nucleotide sequence
C. Amino acid sequence of ribonuclease#
D. Cell walls
Q.10: Kinase requires_______________?
A. MN++
B. Cu++
C. Mg++
D. Inorganic phosphate

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