bisc300-03mt1

bisc300-03mt1 - Name_ BISC 300 Introduction to Microbiology...

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Name____________________________________ Page 1 BISC 300 Introduction to Microbiology MIDTERM 1 29 September 2003 Write your name at the top of EVERY PAGE. Pages without names may not receive credit. Question 1 (12 points) _______________ Question 2 (10 points) _______________ Question 3 (18 points) _______________ Question 4 (12 points) _______________ Question 5 (16 points) _______________ Question 6 (8 points) _______________ Question 7 (8 points) _______________ Question 8 (6 points) _______________ Questions 9-16 (10 pts.) _______________ TOTAL (100 POINTS) _______________
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Name____________________________________ Page 2 1) The 3 domains of the “Tree of Life.” (12 points total) a. On the figure below, fill in each box with the appropriate domain name or description. Also identify which organisms are prokaryotes. (5 points) b. What is the defining feature that distinguishes prokaryotes from eukaryotes? (1 point) c. Describe 3 other differences between prokaryotes and eukaryotes. (6 points)
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Name____________________________________ Page 3 2) Macromolecular structures and assembly. (10 points) a. Approximately 50% of the dry weight of a bacterial cell is composed of ______________. (Fill in the blank. 1 pt.) b. Bacterial cells contain more DNA than RNA by weight. TRUE or FALSE (Circle one. 1 pt.) b. Can the redox state of the cytoplasm affect protein folding? Briefly explain your answer. (2 points) c. Can a protein without a signal sequence be secreted from the cytoplasm? Explain your answer briefly. (3 points) d. What are “Zones of Adhesion” and why are they important. (3 points)
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bisc300-03mt1 - Name_ BISC 300 Introduction to Microbiology...

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