DNA and RNA Structure Questions Online Test 5

1. Western blotting is the technique used in the determination of

• RNA
• DNA
• Proteins
• All of these

2. m RNA synthesis from DNA is termed

• Transcription
• Transformation
• Translation
• Replication

Protein Questions Online Test 12

1. In urea synthesis, the amino acid functioning solely as an enzyme activator:

• N-acetyl glutamate
• Ornithine
• Citrulline
• Arginine

2. The enzyme carbamoyl phosphate synthetase requires

• Mg⁺⁺
• Ca⁺⁺
• Na⁺
• K⁺

DNA and RNA Structure Questions Online Test 4

1. Peptide linkages are formed in between

• Nucleotides
• Amino acids
• Glucose molecules
• Sucrose

2. The nucleic acid of polio viruses is

• DNA
• RNA – (+) type
• t-RNA
• m-RNA

DNA and RNA Structure MCQs part 3

1. A gene that takes part in the synthesis of polypeptide is

• Structural gene
• Regulator gene
• Operator gene
• Promoter gene

2. DNA replicates during

• G1 – phase
• S – phase
• G2 – phase
• M – phase

DNA and RNA Structure MCQs part 2

1. The technique involved in comparing the DNA components of two samples is known as

• Monoclonal antibody techniques
• Genetic finger printing
• Recombinant DNA technology
• Polymerase chain reaction

2. Plasmids are ideal vectors for gene cloning as

• They can be multiplied by culturing
• They can be multiplied in the laboratory using enzymes
• They can replicate freely outside the bacterial cell
• They are self replicating within the bacterial cell

DNA and RNA Structure MCQs part 1

1. A peculiar cytochrome is observed in bacteria and it can react with molecular oxygen, what is it?

• Cyt b
• Cyt c
• Cyt d
• Cyt o

2. The genetic material in HIV is

• ds DNA
• ss DNA
• s RNA
• None of these