Unit 7 lac Study guides, Revision notes & Summaries

ABSITE Exam Questions And Answers 100% Correct Latest (Graded A+). The vagus nerve mediates what in the setting of systemic inflammation? Correct Answer: Enhanced gut motility What type of hormones are cytokines? Correct Answer: polypeptide Function of heat shock proteins Correct Answer: Binding of autologous proteins to improve ligand binding Omega-3 fatty acids have what affect on the inflammatory response? Correct Answer: Decrease What is a known affect of TNF? Correct Answer: Expressi...

CBE 235 Final.Lac Operon - correct answer -involved in heating lactose: inducible operon 1) The lactose repressor protein coded by Lacl bound to the operator tightly near the mRNA start site, blocking the ability of RNA poly to bind 2) Lactose introduced--> Lac repressor binds to lactose and changes conformation such that it can no longer bond to the operator 3) RNA poly can access the promoter and transcription goes 4) LacZ,LacY,LacA are transcribed Gregor Mendel Experiment - correct ...

RN Nutrition Online Practice 2023 B ATI Best Study Guide 1. A nurse is providing dietary teaching about reduc- ing the risk of infection to a client and is receiving chemotherapy. Which of the following client state- ments indicates an understanding of the teaching?2. A nurse is admitting a client who has had a fever and diarrhea for the past 3 days. Which of the following findings should indicate to the nurse the client is dehydrated?3. A client reports constipation during a routine check- up. ...

BIO Exam 4 Practice Test 174 Questions with Verified Answers The term polycistronic mRNA means: A.There is more than one mRNA strand produced during each round of transcription. B.There are multiple promotors to initiate transcription of this RNA. C.There are multiple operators for transcription of this RNA. D. There are multiple open reading frames in the mRNA produced. - CORRECT ANSWER D Please choose the true statement: A. During replication, the DNA leading strand is polymerized i...

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...

Genetics Exam 3 Practice Test 50 Questions with Verified Answers Gene conversion results from A. Discontinuous replication B. Photoreactivation C. Mismatch repair D. Gap Repair E. C and D - CORRECT ANSWER E. C and D The picture below is two Holliday junctions in a pair of DNA molecules undergoing recombination Breakage and rejoining of the strands indicated by the arrows () and () results in crossover. A. 1 and 2 B. 2 and 3 C. 3 and 4 - CORRECT ANSWER B. 2 and 3 In eukaryoti...

ABSITE Exam Questions And Answers Latest Updated Graded 100%. What is a known affect of TNF? Correct Answer: Expression of eicosanoids (like thromboxane) What is an adhesion molecule? Correct Answer: Mediate leukocyte to endothelial adhesion What is an example of an adhesion molecule? Correct Answer: L-selectin Physiologic affect of NO Correct Answer: Increase smooth muscle relaxation Prostacyclin on systemic inflammation Correct Answer: Inhibits platelet aggregation Calories per day for b...

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...

BIOD 171 lab exams 1-9 LAB 1 Answer the following questions 1. What three elements are used in an autoclave to sterilize equipment? heat, pressure, and steam 2. What is the minimum temp erature an autoclave must be set at to achieve sterile condition? 125°C 3. If you are working in a lab in which an autoclave is not available, and you are pressed for time, which would you chose to best sterilize your equipment? Hot steam or hot air? Explain why you chose your answer. Hot steam is the best choic...

UNT Biology 1710 Practice Exam 3|52 Questions with Verified Answers An excellent example of the genetic phenomenon known as continuous variation would be: a. flower color in plants. b. height in humans. c. human blood groups. d. epistasis. e. fur color in arctic animals - CORRECT ANSWER B) height in humans A human genetic trait passed from one generation to the next has an unusual inheritance pattern. The genotype and phenotype of the offspring depends only upon the genotype of the mo...