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25_ActiveLecturePRS - Examples of catabolism include all of...

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Examples of catabolism include all of the following except ____. 1. Synthesis of new organic molecules 2. Carbohydrates being broken down into simple sugars 3. Triglycerides splitting into fatty acids 4. Proteins being broken down into amino acids
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What is the primary role of the TCA cycle in the production of ATP? 1. Break down glucose 2. Create hydrogen gradient 3. Phosphorylate ADP 4. Transfer electrons from substrates to coenzymes
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Why is oxidative phosphorylation the most important mechanism for generating ATP? 1. It requires less energy than other mechanisms. 2. It requires fewer steps to produce ATP molecules. 3. It produces more than 90% of ATP used by body cells. 4. It allows the release of a tremendous amount of energy.
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What is the electron transport system’s role in the generation of ATP? 1. It creates a steep concentration gradient across the inner mitochondrial membrane. 2. It manufactures 36 ATP. 3. It facilitates formation of coenzymes. 4. It prevents substrate-level phosphorylation.
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NADH produced by glycolysis in skeletal muscle fibers leads to production of two ATP molecules in mitochondria, but NADH produced by glycolysis in cardiac muscle cells leads to production of three ATP molecules. Why? 1. Different systems 2. Different pH 3. Different intermediaries 4. More efficient enzymes in cardiac muscle
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How does a decrease in the level of cytoplasmic NAD affect ATP production in mitochondria? 1. ATP production increases. 2. ATP production decreases. 3. Pyruvic acid supplies increase. 4. Unused glucose molecules allow for production of ATP through other mechanisms.
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What is the process of gluconeogenesis?
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