Molecular Biology Final Exam Questions and Answers Graded A+

Molecular Biology Final Exam Questions and Answers Graded A+ Palbociclib, Abemaciclib, Flavopiridon, and Ribociclib are used to treat breast cancer and act by: a. inhibiting cyclins b. inhibiting cyclin dependent kinases c. preventing binding of ATP d. all of the above e. b and c - ANSWER-Answer: E In the Griffith/Avery experiments, which of the following heat killed bacterial extracts did not allow live non virulent strains to express a polysaccharide capsule? a. Treated with RNase b. Treated with proteases c. Treated with DNase d. all of the above e. a and b - ANSWER-Answer: C The Central Dogma of molecular biology states that information flows from DNA to RNA to protein with no exceptions. True or False - ANSWER-False Huntington's Disease is caused by: a. glutamine expansion of the Huntingtin protein b. mutations in the HTT gene that add CAG nucleotides c. aggregation of polyQHtt d. all of the above e. a and b - ANSWER-Answer: D Which of the following regarding the P42 peptide is false? a. prevents aggregation of mutant Huntingtin proteolytic fragments b. is found near the C-terminus of the normal and mutant forms of Huntingtin c. interacts with the N-terminal 17 amino acids of Huntingtin d. all of the above e. none of the above - ANSWER-Answer: E RNA and DNA differ in composition as described by which of the following? a. RNA contains Uracil b. DNA lacks a hydroxyl group c. RNA is held together by phosphoryl diethyl bonds d. all of the above e. a and b - ANSWER-Answer: E