bis 2a key_metabolism_sample_exam2

bis 2a key_metabolism_sample_exam2 - KEY Metabolism...

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KEY. Metabolism Practice Exam Bis2A / Gerhart. BE SURE THAT YOU TAKE THIS PRACTICE EXAM FIRST ON YOUR OWN, WITHOUT LOOKING AT THE KEY. T HE QUESTIONS IN THIS PRACTICE EXAM REPRESENT THE TYPES OF QUESTIONS THAT YOU MIGHT SEE ON THE ACTUAL EXAM ( AND THEY ARE IN FACT OLD EXAM QUESTIONS FROM B IS 2A). T HEY ARE TYPICAL OF THE LEVEL OF THINKING THAT WILL BE REQUIRED OF YOU . T HE EXACT TOPICS AND EXAMPLES WILL , OF COURSE , BE DIFFERENT SO ... PLEASE D O NOT ASSUME THAT STUDYING THIS PRACTICE TEST WILL BE SUFFICIENT PREPARATION FOR THE EXAM . After you’ve taken the exam, score each question in terms of the level of understanding (from Bloom’s Taxonomy) required to answer it. Key to Bloom’s scoring of exam questions 1 = knowledge (recall, list, recognize) 2 = comprehension (describe, explain, define, provide an example) 3 = application (predict, use) 4 = analysis (infer, interpret, compare / contrast) 1. Bacteria are known that can grow by fermentation or anaerobic respiration or aerobic respiration or photosynthesis. Which condition below would be appropriate for anaerobic respiration? (Level 3) A. The presence of oxygen. B. The absence of oxygen but the presence of a decent electron acceptor. C. Presence of a good fuel substrate (oxidizable compound) that supports growth. D. The presence of bright light. E. Both B and C above 2. Why can’t life synthesize new molecules from existing fuel sources indefinitely? (Level 2) A. Energy is conserved B. During energy transformations, some energy is lost as heat C. The first law of metabolism D. It can -- this is how life has made stuff for 2 billion years! E. None of the choices are correct 3. How do cells that use fermentation make their ATP? (Level 3)
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