Practice Exam ONE - MCB 2000 EXAM ONE 1. In which stage of...

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MCB 2000 EXAM ONE 1. In which stage of the bacterial growth (growth curve), the growth rate is equal to death rate. (1) Lag phase (2) Death phase (3) Log phase (4) exponential phase (*) Stationary phase 2. In order to survive, an organism must be able to produce ATP via fermentation or electron transport chain (respiration) (*) True (2) False 3. Which of the following is unique to eukaryotic cells (i.e., that is never found in prokaryotic cells). (1) Cell wall (2) Ribosome (3) Cell membrane (4) Capsule (*) Membrane-bound organelles 4. Cells are made of mostly: (*) Proteins (2) Carbohydrates (3) RNA (4) Lipids (5) DNA 5. Presence of this structure allows bacteria to exchange genetic information as well as helping them to attach to the surfaces. (1) Ribosome (2) Capsule (3) flagella (*) Pili 6. What is the morphology of a curved bacteria, This bacterium could be an infectious agent that causes_____________ (1) Cocci, Staphylococcus (2) Spirillum, tetanus (3) Bacilli, syphilis (*) Spirillum, Cholera (5) Bacilli, anthrax 7. The rigidity and shape of bacterial cell is due to the (*) Peptidoglycan (2) Teichoic acid (3) Lipopolysaccharide (4) Chitin (5) Phospholipid 8. Which of the following is true of anabolism? (1) Energy is not required, and complex organic compounds are synthesized (2) Energy is not required, and complex organic compounds are broken down (3) Energy is required, and complex organic compounds are broken down (4) Energy is not required, and water is used to break down complex organic molecules (*) Energy is required, and complex organic compounds are synthesized 9. Which of the following group of organisms uses glucose as their carbon and energy source? (1) Chemolithotrophs (2) Photoheterotrophs (3) Photoautotrophs (4) Chemoautotrophs (*) Chemoheterotrophs 10. Which of the following is not a general feature of active transport? (1) Can move molecules against a concentration gradient (2) Requires a carrier protein (3) Requires a form of energy (*) All of the above are characteristics of active transport 11. The terminal electron acceptor in respiration may be: a. oxygen b. nitrate c.. NAD d. an organic molecule (1) a and b (2) a, b, and c (*) a, b, and d (4) c and d (5) a, b, c, and d
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12. Carbon dioxide is a by-product of which of the following? (1)
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Practice Exam ONE - MCB 2000 EXAM ONE 1. In which stage of...

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