Transversion - Study guides, Class notes & Summaries

MICR2123 Final Test Questions with All Answers Revised & Updated Define and describe homologous recombination - Answer-Incorporation of 1 DNA molecule into another Define the role of the RecA protein in recombination - Answer-Scan along DNA molecules and finds regions of homology and then help them come together and exchange genetic information Distinguish between generalized recombination and site-specific recombination - Answer-- Generalized - requires that both DNA molecules share a l...

AMT RMA version 1 attempt 2 Feb 15, 2024 Terms in this set (210) The three sections of the small intestine are the: Question 1Answer a. cecum, duodenum, and ileum. b. duodenum, jejunum, and ileum. c. duodenum, sigmoid, and jejunum. d. ascending, transverse, and descending. duodenum, jejunum, and ileum. The right lung is divided into how many sections? Question 2Answer a. 1 b. 2 c. 3 d. 4 3. The right lung is divided into 3 sections: superior, inferior, and middle. Night blindn...

USLME Biochem - First Aid Exam Questions With Accurate Answers. Chromatin structure - answerDNA exists in condensed chromatin form in order to fit in nucleus Negatively charged DNA loops twice around positively charged histone octamer (2 sets of H2A, H2B, H3 and H4) to form nucleosome "bead" Octomer subunits consist primarily of lysine and arginine amino acids (positively charged). H1 ties nucleosome beads together in a string Heterochromatin - answerCondensed, transciptionally inactiv...

An alteration in the DNA from an AT base pair to a CG base pair is called a ___. - Answer-Transversion An alteration in the DNA from an CG base pair to a TA base pair is called a ___. - Answer-Transition Which repair mechanism(s) involve(s) the removal of a single nucleotide? - Answer-Proofreading repair; base excision repair An insertion of a single base pair in the DNA strand is called a ___ mutation. - Answer-Frameshift Which repair mechanism(s) involve(s) the removal of several nucleoti...

USLME – Biochemistry Exam Questions With Accurate Answers. Amino acids necessary for purine synthesis - answerGlycine Aspartate Glutamine Leflunomide MOA - answerinhibits dihydroorotate dehydrogenase 5-fluorouracil and capecitabine (its prodrug) MOA - answerForm 5-F-dUMP which inhibits thymidylate synthase (therefore decreasing dTMP) Adenosine deaminase deficiency (Pathogenesis, presentation) - answerADA needed for degradation of adenosine Deficiency causes: excess ATP and dATP --&gt...

Regarding point mutations, the exchange of a purine for pyrimidine is: A: a translocation B: a frameshift substitution C: a transversion D: an inversion a transversion Which of the following publication types is the LEAST likely to be subject to author bias? A: Case reports B: Case series C: Practice guideline D: Editorial Practice guideline Deliquescence occurs when: A: two hygroscopic drugs are mixed B: a hygroscopic drug is exposed to water C: a hydrophobic drug is ...

USLME - Biochemistry (General Questions) Exam Questions With Accurate Answers. Histones are rich in what AAs? - answerLysine and arginine (both + charge) When does histone synthesis occur? - answerS phase (along with DNA getting synthesized) Heterochromatin is _________, euchromatin is _________ - answerInactive/condensed; active/accessible What allows mismatch repair enzymes to distinguish between old and new DNA strands in prokaryotes? - answerMethylation; old/template strands are meth...

Mutations - Genetics 3333 Test Questions and Answers Spontaneous Mutations - Answer-- Mistakes during replication or recombination - Wrong nucleotide is inserted - Too many nucleotides are inserted or deleted Tautomeric Shift - Answer-Rearrangement of bonds in a base so that its H bonding potential changes Induced Mutations - Answer-A mutagen damages the DNA - Damage causes a base to change its H bonding - The mistake in base pairing is passed to progeny cells - Ex: UV light, Ionizi...

PCOA Practice Exam Questions and Answers Graded A+ Regarding point mutations, the exchange of a purine for pyrimidine is: A: a translocation B: a frameshift substitution C: a transversion D: an inversion a transversion Which of the following publication types is the LEAST likely to be subject to author bias? A: Case reports B: Case series C: Practice guideline D: Editorial Practice guideline Deliquescence occurs when: A: two hygroscopic drugs are mixed B: a hygroscopic drug is exposed...

1- is permenant change in nucleotide sequence. a. Mutation . b. DNA repair c. Translation d. Staining 2- Which of the following is not correct for mutation a. Mutation can be chromosomal or DNA levels. b. Chromosomal mutation is Gross lesion less than 8%. c. DNA mutation is Gross lesion less than 8%. d. DNA mutation is micro-lesion more than 92%. 3- Causes of mutation …………….. a. Exposure to mutagenic agent. b. Errors through DNA replication and repair. c. DNA repair. d. Bo...