List of top Biotechnology Questions on Molecular Biology asked in TS PGECET

A gene consists of 900 nucleotide bases. How many amino acids will it code?

A key difference between Southern and Northern blotting is that Northern blotting

Which isotope is commonly used for radioactive DNA labelling?

Southern blotting is used to detect

Which nucleotide lacks a \(3^{\prime}\)-OH group?

The following is a classic example of extra-chromosomal inheritance?

Choose the transposable element which moves via an RNA intermediate?

Consider the following and choose the correct answer Assertion [A]: Peptide bond formation occurs at the P site of the ribosome. Reason [R]: Peptidyl transferase activity is an intrinsic property of rRNA. The correct answer is

Extra-chromosomal inheritance is often called maternal inheritance because

Consider the following and choose the correct answer Assertion [A]: DNA replication is semiconservative in nature. Reason [R]: Each daughter DNA molecule contains one parental strand and one newly synthesized strand. The correct answer is

Enzyme responsible for transcription in prokaryotes?

Identify the checkpoint that controls entry into DNA replication

If a mammalian cell completes one cell cycle in \(24\) hours and the S phase lasts \(8\) hours, what fraction of the cell cycle is spent in S phase?

Consider the following and choose the correct answer Assertion [A]: Tautomeric shifts in DNA bases are a source of spontaneous mutations. Reason [R]: Rare tautomeric forms have altered hydrogen-bonding patterns. The correct answer is

Consider the following and choose the correct answer Assertion [A]: B-DNA is the most stable and predominant form of DNA under physiological conditions. Reason [R]: B-DNA possesses major and minor grooves. The correct answer is

Origin of replication usually contains

A gene consists of 900 nucleotide bases. How many amino acids will it code?

Southern blotting is used to detect

A key difference between Southern and Northern blotting is that Northern blotting

Which nucleotide lacks a \(3^{\prime}\)-OH group?

Which isotope is commonly used for radioactive DNA labelling?

Choose the transposable element which moves via an RNA intermediate?

Extra-chromosomal inheritance is often called maternal inheritance because

The following is a classic example of extra-chromosomal inheritance?

Consider the following and choose the correct answer Assertion [A]: DNA replication is semiconservative in nature. Reason [R]: Each daughter DNA molecule contains one parental strand and one newly synthesized strand. The correct answer is