RUTGERS MURPHY BIOCHEM EXAM 3 QUESTIONS AND ANSWERS

RUTGERS MURPHY BIOCHEM EXAM 3 QUESTIONS AND ANSWERS In nucleosome structure the histone ___aids in stabilizing the wrapping of DNA around the protein octomer. - Ans:-H1 The DNA "backbone" is composed of - Ans:-A phosphodiester bond between 3' and 5' hydroxyl groups of adjacent deoxyribose residues Which of the following statements is not true of mRNA? - Ans:-Prokaryotic mRNAs are capped with 7-methylguanosine Point mutations that occur in a population to any extent are referred to as - Ans:-Single nucleotide polymorphisms Determine the mRNA sequence for the following DNA sequence.5'-GCCATTTCCCGTTA-3' - Ans:-5'- UAACGGGAAAUGGC-3' The experiment that demonstrated the mechanism whereby DNA is synthesized was performed by - Ans:-Messelson and Stahl Which of the following is not a second messenger molecule? - Ans:-Steroids ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 2/3 Nucleosomes are composed of all of the following except ________. - Ans:-H5 The classic experiment that demonstrated that radioactively labeled viral DNA transforms bacterial cells was performed by - Ans:-Hershey and Chase A scientist performs an experiment that uses a chemical inhibitor to inhibit a kinase enzyme in a signaling pathway and this results in a decrease in signaling. If the scientist wanted to be sure that this kinase was indeed responsible for the decrease in signaling, whic