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PreviousYearExam1 - BSCI223 Fall Stewart Exam #1 Your Name:...

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BSCI223 Fall Stewart Exam #1 Your Name: page 1 BSCI223 General Microbiology Dr. Stewart Exam 1 IMPORTANT THINGS TO DO BEFORE YOU GET STARTED: 1. Please make sure that your copy of the exam has 11 pages (including this page). Did you check? _____ 2. Write your name and your TA’s first name here AND on the top of page 2 (worth 1 point!!). Your Name: ______________________________ Your TA's name or your Lab Section: __________________ 3. Please read and sign the UMCP Honor Pledge below, then tear this page off and hand it to your TA. I pledge on my honor that I have not given or received any unauthorized assistance on this examination. Your signature below indicates your agreement to abide by this pledge ______________________________________________
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BSCI223 Fall Stewart Exam #1 Your Name: page 2 General Instructions: Answer directly on your test pages. Use pen. Use pen! USE PEN!!! Answer multiple choice questions on the line provided next to the question number or by circling your answer. Q0. [1 pt] What is your TA's first name? Write it here: Q. 1-8. [1 pt. each] For each of the cell features listed below, indicate whether it can be found in Prokaryotic cells (P), Eukaryotic cells (E), or both (B). Please write your "P", "E", or "B" in the space provided. 1. 70S ribosomes 2. 80S ribosomes 3. Phospholipid membranes containing an Electron Transport Chain 4. Peptidoglycan 5. LPS 6. circular DNA 7. actin filaments 8. mitochondrion 9. [2 pts.] Which of the following groups of microorganisms are prokaryotes? (a) viruses, viroids, and prions (b) bacteria and archaea (c) fungi and protists (d) yeasts and algae (e) C and D 10. [2 pts.] Which of the following features would be most useful for determining the phylogenetic relationship of two microorganisms? (a) diseases caused by the microorganisms (b) ribosome sizes (e.g., 70S or 80S) of the microorganisms (c) nucleotide sequences of genes encoding ribosomal RNA in the microorganisms (d) genome sizes of the two microorganisms (e) growth rates of the microorganisms at different temperatures
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BSCI223 Fall Stewart Exam #1 Your Name: page 3 Q. 11-15 refer to the 3 diagrams of microbial cell envelopes (cross sections) shown above (A, B, and C). Any particular answer (A, B, C) may be used once, more than once, or not at all. 11. [2 pts.] Which diagram best depicts the cross-section of a diplococcus? (a) Diagram A (b) Diagram B (c) Diagram C 12. [2 pts.] Which diagram best depicts the shape of a bacillus? (a) Diagram A (b) Diagram B (c) Diagram C 13. [2 pts.] Which diagram best depicts the cell envelope layers possible for an archaeon (member of the domain Archaea)? (a) Diagram A (b) Diagram B (c) Diagram C 14. [2 pts.] Which diagram best depicts the cell envelope layers characteristic of Gram- positive bacteria? (a) Diagram A
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This note was uploaded on 10/23/2010 for the course BSCI 223 taught by Professor Stein during the Spring '08 term at Maryland.

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PreviousYearExam1 - BSCI223 Fall Stewart Exam #1 Your Name:...

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