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Cellular respiration is the process of oxidation of nutrients.
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- 2.5 What is Chemio-osmotic gradient, and what is its importance in Metabolism 2.6 Glycolysis split Glucose into 2 Puryvate, where does a) Initial split, which Intermediate/s involved, b) which enzyme is involved and c) products produced....... 2.7 In ATP generation. Glycolysis does produce some ATPs, where does the bulk of ATP produced in the complete Oxidative? catabolic step/s and explain how? 3.1 Peter has been playing Volley Ball for 2hours now and he is very tired. He is now going home to rest. Answer the questions that follows from the scenario given: a) How will the process of Glycolysis be affected in this condition of Rest b) Explain his ATP at this stage of Rest d) How will the process of TCA cycle/Creb cycle be for Peter now at his rest d) The condition of Pyruvate Dehydrogenase (PDH) at this point of rest e) How will the state PFK (phospho fructo kinase) be at the beginning of his play (5) 3.2 NADH is mostly transported through which complexes in ETC (electron transport…a) Using full chemical structures of substrates and products, draw the two possible pyruvate reduction pathways that regenerate NAD+ from NADH in the absence of oxygen gas. Give names of all compounds and enzymes involved. b) Draw the step in glycolysis that requires at least one of the above pathways to be functional in the absence of oxygen. Give names of all compounds and enzymes involved.What would the net amount of ATP produced be if dehydrogenase was inhibited for 2 molecules of glucose? a.) 0 b.) 2 c.) 4 d.) -2 e.) -4
- Which of the following statements correctly describes why white muscle fibers do not need is mini mitochondria as red muscle fibers? a) want muscle fibers use anaerobic respiration which does not occur in the mitochondria b) what muscle fibers use anaerobic respiration which requires more efficient mitochondria than aerobic respiration c) white muscle fibers get more oxygen than the red muscle fibersWhy is cellular respiration important? a) It breaks down carbon dioxide, which is toxic to cells. b) It reduces glucose c) It produces gas, which is essential to cell functions. d) It generates chemical gradients, which have potential energy e) it generates ATP, which cells can use to do workWhich of these pathways gives a cell the potential to produce the most ATP?a) TCA cycleb) Pentose phosphate pathwayc) Lactic acid fermentationd) Glycolysis
- The turbine engine of ATP synthase spins as a result of: A) water B) hydrogen ions moving down thier gradient C) sunlight D) oxidation of electron carriers E) oyxgen4 What is a major obstacle in cellular respiration? a) It requires oxygen to be actively pumped against its concentration gradient into cells b) It is an exergonic reaction, with much of the energy lost as heat, which potentially might damage cells c) It is limited by the low amount of energy stored in a glucose molecule d) It is an inefficient reaction and doesn't provide eukaryotic cells with enough energyWhy are oxygen molecules important in oxidative phosphorylation? What are the consequences if they are absent for a short period of time in tissues that routinely use oxidative phosphorylation to produce useful energy?