RUTGERS MURPHY BIOCHEM EXAM 3
2026- ACTUAL QUESTIONS WITH
VERIFIED ANSWERS
In nucleosome structure the histone ___aids in stabilizing the wrapping of DNA
around the protein octomer. - correct-answer -H1
Which of the following best describes the role of EF-Tu (elongation factor Tu) in
elongation of protein synthesis? - correct-answer -It is involved in the correct
binding of amino acyl tRNA to the A site of the ribosome
Which of the following chemicals can be used to block all de novo (new) proteins
synthesis in a cell? - correct-answer -cyclohexamide
In the following picture, which arrow is pointing to the acceptor stem of tRNA? -
correct-answer -A
, 2
real-time PCR is used to indirectly analyze the levels of what molecule? - correct-
answer -mRNA
A western blot is used to detect level of which of the following - correct-answer -
protein
The DNA "backbone" is composed of - correct-answer -A phosphodiester bond
between 3' and 5' hydroxyl groups of adjacent deoxyribose residues
Which of the following statements is not true of mRNA? - correct-answer -
Prokaryotic mRNAs are capped with 7-methylguanosine
Point mutations that occur in a population to any extent are referred to as -
correct-answer -Single nucleotide polymorphisms
Determine the mRNA sequence for the following DNA sequence.5'-
GCCATTTCCCGTTA-3' - correct-answer -5'-UAACGGGAAAUGGC-3'