Microbiology 2400 Homework #1 Exam Solution Paper done june 2015

| October 3, 2018

Homework #1 Microbiology 2400 20 points.This homework is required for this class. Use complete sentences to answer the following questions. This homework should be typed, 12 font, single spaced and in a question answer format. This assignment is to be completed as your own, showing the instructor your ability to fully explain cell respiration in your own words. Correct spelling and grammar for full credit. You may use other sources beside your textbook, and please cite your references. If you would like to include labeled diagrams you may do so. Plagiarized homework (copying from another student or reference material) will be given a “0” grade. Late homework will not be accepted. Due Exam day.1. Briefly describe (in a few sentences) the process called cellular respiration. Include the actual chemical reaction of cell respiration. What are the three main pathways of cell respiration?2. Describe the steps of glycolysis. Include the main phases and products of glycolysis. What organisms perform glycolysis.3. Describe the intermediate step before the citric acid cycle, what is produced and where does it occur in prokaryotes? In Eukaryotes?4. Describe the steps in the citric acid cycle (Krebs cycle). How many ATP are produced? Up to this point, (Krebs) the oxidation of glucose has yielded how many CO2, ATP, NADH, FADH2?5. What is the electron transport chain and where does it occur in prokaryotic organisms? Eukaryotic organisms? Explain and/or draw where the electron transport chain occurs in both.6. Describe the steps of oxidative phosphorylation. What is the final electron acceptor in the ETC?7. How many ATP are produced from the breakdown of one molecule of glucose in Prokaryotes?In Eukaryotes why is it less?8. Describe chemiosmosis and the role of ATP synthase.9. What is anaerobic respiration? What kind of organisms performs anaerobic reactions?10. Describe lactic acid fermentation. Describe alcohol fermentation and describe the benefits of this reaction.

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