Cap camp complex - Study guides, Class notes & Summaries

BIOL 3025 STUDY GUIDE TEST. The lac operon is expressed when A) glucose is high and lactose is absent. B) glucose is low and lactose is absent. C) glucose is low, regardless of the presence or absence of lactose. D) glucose is high and lactose is present. E) glucose is low and lactose is present. - CORRECT ANSWER E When in a complex with ________, the CAP protein binds to the CAP site and ________ the expression of the lac operon. A) glucose ; switches on B) lactose ; switches on ...

BIOL 266 Final Exam 2024 Actual Questions and Answers Graded A   BIOL 266 Final Exam 2024 Actual Questions and Answers Graded A = Correct answer = We don’t have the answer Exam 1: MULTIPLE CHOICES: 1. You have isolated a mutant line of mammalian cells deficient in emerin. This mutant line is expected to be impaired in: A. Export of 40S and 60S ribosomal subunits from the nucleus B. Ribosome assembly in the nucleolus C. Transcription of some genes in certain ti...

the lac operon is expressed when glucose is low and lactose is high when in a complex with ____, the CAP protein binds to the CAP site and _____ the expression of lac operon. cAMP; switches on in the absence of lactose, the lac repressor is active and can bind to the operator which region associated with the lac operon is not involved in the binding of RNA polymerase? lacZ RNA polymerase binds to the promoter the most efficient control of eukaryotic gene expression is achieved at the level ...

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...

Genetics Second Exam Practice Test 150 Questions with Verified Answers Which organism has polycistronic mRNA? (eukaryotic or prokaryotic) - CORRECT ANSWER Prokaryotic Do prokaryotes undergo splicing/processing? - CORRECT ANSWER No Where are attenuater sequences found? (what type of organism and what class of operons?) - CORRECT ANSWER In prokaryotic amino acid operons Do prokaryotic mRNA ALWAYs encode trans-acting factors? - CORRECT ANSWER No Which of the following statements is t...

FRNSC 420 - EXAM 4 PRACTICE QUESTIONS AND ANSWERS (100% PASS) positive allosteric regulation - Answer️️ -binding of a regulatory molecule to an enzyme induces a conformation change, increasing the enzyme's affinity for a substrate - proteins are activators = enhance RNAP binding and/or induce conformational change, can change binding constant (KB) or rate constant (kf), lowers activation energies negative allosteric regulation - Answer️️ -bound regulatory molecule must release ...

SI Practice Exam 4 |57 Questions with Verified Answers Which of the following statements is FALSE of the spliceosome and splicing mechanism? a. U1 snRNA base pairs with the 5' splice site b. The active spliceosome is produced when U1 and U3 snRNP exit c. U2 snRNA and U6 snRNA base pair to each other for the 1st reaction to occur d. U2 snRNA anneals to the branch site in the intron - CORRECT ANSWER b. The active spliceosome is produced when U1 and U3 snRNP exit Where are SR protein...

NBME CBSE ACTUAL TEST QUESTIONS AND ANSWERS TEST BANK - COMPLETE SOLUTION RATED A 56 y/o - brought to ER - Chest Pain mowing the lawn - Hypotension, PE shows cool, clammy, diaphoretic skin. 2 hours after admission, pulmonary catherization shows pulmonary artery pressure 40/25. Left Atrial Pressure 25 g (pulmonary emboli). Compared with a healthy person- sets of pulmonary pressure changes? Correct Answer: Hydrostatic Pressure High, Capillary hydrostatic pressure high Interstitial Oncotic pr...

Genetics Exam 2 practice exam 107 Questions with Verified Answers In five Hfr strains, each of which was used to build a time-of-entry map, the genes entered the recipient cells as follows: Strain 1: S L A C T F Strain 2: N P F T C A Strain 3: T F P N U Y Strain 4: S H Y U N P Strain 5: U N P F T C Which of the following represents a correct compilation of these results? A) S L A C T F P N H C U B) N P F T S L A C H U T C) T C A L S P N U Y H D) U N P F T C A L S T F E) S L A C T F...

M1: Definition of War: a conflict between organized groups with unknown resolve, each seeking to impose its will on the other; Continuation of politics by other means (von Clausewitz) M1: Strategic (LoW) ALL of a nation's armed/other forces efforts in all campaigns (the war) to meet war aim Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen M1: Operational (LoW) In-theater forces; large tactical units (divi...