BioSci 810-084 2nd PExam

BioSci 810-084 2nd PExam - Biological Sciences 0810 Second...

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Biological Sciences 0810 Second Exam This 22nd day of March, 2007. Name ___________________________________________ PeopleSoft # ___________________________ (P LEASE P RINT , L AST NAME FIRST) INSTRUCTIONS: i. Print your name — last name first please — and PeopleSoft number (in the “Identification” slot beginning with the ‘A’ column) on the computer-readable answer sheet, “fill in the appropriate dots” and sign the answer sheet in the top left hand corner; don't bother about the sections dealing with birth date, sex, etc. but please fill in the ‘2’ in the ‘Grade/Educ’ column for ‘second exam’. If there are any rips or tears in your computer-readable answer sheet, please ask for a replacement. ii. Write the answers to questions 1-60 on the OPSCAN answer sheet with a number two [#2] pencil — please, don't use a ball-point pen! Questions 61-68 should be answered on this exam question sheet. iii. Write your name and PeopleSoft number in the space provided above. iv. Exam results will be posted on CourseWeb on or before noon on the 29th day of March, 2007; answer sheets will also be available for pick-up at class that day. v. Good luck; do your best, and do not not, not panic!!! N.B. There are 68 questions. ❊❊❊❊❊ PART A: MULTIPLE CHOICE QUESTIONS ( Always choose the best available answer.) 1. Which of the following is not a component part of the human humoral immune system: a.antibodies; b.virgin T-lymphocytes; c.plasma cells; d.memory cells; e.mark here if all of the above are component parts of the human humoral immune system. 2. Which, if any, of the following body fluids of an HIV patient is not likely to have a significant burden of the HI- virus: a.saliva (blood-free); b.semen; c.blood; d.vaginal secretions; e.mark here if all of the above are likely to have a significant burden of HI-virus. 3. Within which approximate period of time following initial infection will anti-HIV antibodies first appear in a HIV-infected patient: a.2 hours; b.2 days; c.2 months; d.2 years; e.10+ years. 4. The term ‘clonal selection’ relates to: a.the mutation of a viral pathogen over time; b.the focused attack of the HI-virus on helper cells; c.the TB pathogen being able to survive within human phagocytes; d.a stage in the formation of antibodies against a specific antigen; e.none of the above. Page 1 Score in Part C
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Biological Sciences 0810 Second Exam This 22nd day of March, 2007. 5. CD-4 clusters of differentiation are found in/on: a.the cholera pathogen; b.human antibodies; c.human helper-T-cells; d.the TB pathogen; e.none of the above. 6. A provirus is: a.any RNA-virus that quickly replaces all the messenger-RNA of the cell it attacks and deactivates the process of host messenger-RNA formation; b.a virus that only attacks prokaryotes; c.a virus that lacks a fatty envelope; d.the stage in any viral life cycle wherein copies of the viral genome are integrated into the host genome; e.none of the above. 7.
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This note was uploaded on 04/07/2008 for the course BIOSCI 810 taught by Professor Campbell during the Spring '08 term at Pittsburgh.

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BioSci 810-084 2nd PExam - Biological Sciences 0810 Second...

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