Biochemistry Mcqs
Question: Kinase requires_______________?
- 1. MN++
- 2. Cu++
- 3. Mg++
- 4. Inorganic phosphate
Question: Mutations are due to changes in_________________?
- 1. DNA nucleotide sequence
- 2. RNA nucleotide sequence
- 3. Amino acid sequence of ribonuclease
- 4. Cell walls
Question: The initiation codon for protein synthesis is_____________?
- 1. AUG
- 2. UAA
- 3. UUU
- 4. UAG
Question: Nonsense codons bring about__________________?
- 1. Elongation of polypeptide chain
- 2. Pre-translational modification of protein
- 3. Initiation of protein synthesis
- 4. Termination of protein synthesis
Question: Unwinding of DNA is done by____________?
- 1. DNAse
- 2. Topo isomerase
- 3. Ligase
- 4. Reverse transcriptase
Question: Which of the following process in involved in conversion of DNA to RNA___________?
- 1. Conjugation
- 2. Transduction
- 3. Translocation
- 4. Transcription
Question: Restriction endonuclease cleaves______________?
- 1. Double stranded DNA
- 2. SIngle stranded DNA
- 3. SIngle stranded RNA
- 4. Polypeptide
Question: Genes are_____________?
- 1. Ribonucleic acid
- 2. Deoxy ribonucleic acid
- 3. Lipoproteins
- 4. Chromo proteins
Question: DNA double helix is bound by_____________?
- 1. Covalent bond
- 2. Hydrogen bond
- 3. Disulfide linkage
- 4. Vander wall forces
Question: Which base is not found in DNA________________?
- 1. Adenine
- 2. Guanine
- 3. Cytosine
- 4. Uracil