BIO 315 spring 2010 midterm1v0

BIO 315 spring 2010 midterm1v0 - BIO 315 MICROBIOLOGY: MID...

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BIO 315 – MICROBIOLOGY: MID TERM EXAM 1 – Spring 2010 Please fill in your name and ID number on your answer sheet before starting. Do not write anything under the column marked birthdate. Answers to the multiple choice questions must be filled in on the answer sheet with a #2 pencil. There are 40 multiple choice questions. (1 pt. each) Answer sheets and essay sheets will be collected when time is called at 5:10. If you finish before that time you may hand in your answer sheets and leave the room. Please keep your copy of the exam. Answers and grades will be posted ASAP on Blackboard. SELECT THE BEST ANSWER!! GOOD LUCK!
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1. According to Professor Schmidt, which if the following is the BEST description of a eukaryotic cell? A. a cell that contains many ribosomes to increase its surface area. B. a cell that contains chloroplasts and a nucleus. C. a cell without internal membranes but which DOES contain ribosomes. D. a cell with extensive internal membranes to increase its surface area. @ E. a cell that will burst if placed in a hypotonic environment. 2. Which of the following nucleotide bases are BOTH pyrimidines? A. cytosine and adenine B. cytosine and guanine C. thymine and guanine D. uracil and adenine E. cytosine and uracil @ 3. Which of the following pairs is correctly matched? A. Fungi; cell walls of cellulose B. Protozoa; cell walls of chitin C. Green algae; cell walls of peptidoglycan D. Protozoa; no cell walls @ E. Fungi; cell walls of peptidoglycan 4. An outer membrane is found in: A. gram positive bacteria B. eukaryotic protozoa C. gram negative bacteria @ D. acid-fast bacteria E. all of the above 5. Which of the following are INCORRECTLY paired? A. Cellulose – plant polysaccharide B. Glycogen – animal polysaccharide C. Peptidoglycan – component of bacterial cell walls D. Sucrose – plant polypeptide @ E. Chitin – fungal polysaccharide 6. The acid fast stain: A. employs only basic dyes B. employs only acidic dyes C. is a differential staining procedure that enables differentiation of members of the genus Mycobacterium from other bacteria. D. Both A and C are correct @ E. Both B and C are correct 7. You have isolated a cell that lacks a nucleus. You can safely assume the cell contains A. ribosomes @ B. mitochondria C. an outer membrane D. techoic acids E. chloroplasts
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8. A particular cell has the following characteristics: it is a photoheterotroph; it contains ribosomes; it has a cell wall made of peptidoglycan. Which of the following statements is true about the cell? A. It uses inorganic molecules as its carbon source. B. It is most likely a cyanobacterium. C. It should be classified in the kingdom Monera in the five-kingdom system. @ D. It contains chloroplasts. E. Both B and D are true.
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BIO 315 spring 2010 midterm1v0 - BIO 315 MICROBIOLOGY: MID...

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