April 2025 - BDS Biochem Quiz - 03

The fundamental unit of genetic information is known as:

• Nucleotide

• Nucleoside

• Gene

• Chromosome

The synthesis of complementary DNA (cDNA) from mRNA is catalysed by the enzyme:

• DNA polymerase

• RNA polymerase

• Reverse transcriptase

• Ligase

Which of the following processes involves the removal of introns from a primary RNA transcript in eukaryotes?

• Replication

• Transcription

• RNA splicing

• Translation

A mutation that results in the substitution of one amino acid in a protein for another is best described as a:

• Frame shift mutation

• Nonsense mutation

• Missense mutation

• Silent mutation

The technique used for the detection of a specific DNA fragment is:

• Southern blotting

• Northern blotting

• Western blotting

• All of the above