1. Why are anabolic reactions that require energy always linked with thehydrolysis of a high energy compound like ATP?2. Why is the conversion of NAD+ to NADH and H+ a reduction?

Anabolic reactions require energy whereas catabolic reactions release energy.

Answered: 1. Why are anabolic reactions that…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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29. Indicate the most common form of energy that enters the electron transport chain. * O A. ATP O B. Oxygen O C. Glucose D. FADH2 and NADH 30. Discover the final electron acceptor in oxidative phosphorylation of electron transport chain.
7. Identify the correct statement regarding oxidation-reduction in cellular 1 point respiration. * A. Oxidation and reduction that occurs in cellular respiration is happened simultaneously. B. Oxidation and reduction that occurs in cellular respiration is happened in separate reaction. C. Oxidation and reduction that occurs in cellular respiration is happened on the other product side of reaction. D. Oxidation and reduction that occurs in cellular respiration is never happened in any reaction. 1 point 8. Find the key characteristic of redox reactions. b89
For anabolic pathways, all are required except Select one: O a. To combine small molecules O b. it is a divergent process Oc. Often involve reductions in which the reducing power is most frequently provided by the electron donor NAD* Od. Reactions require energy
6
1. Overall, what do glycolysis, the Krebs cycle, and electron transport do? (Know starting materials and products.) Explain very briefly how energy stored in glucose is converted into energy stored in ATP. Where are oxygen, carbon dioxide, glucose, water, and ATP involved, and how do they relate to each other? Where is the most number of ATP produced? 2. Account for the 6 Carbons in glucose. In other words where does the 6 carbons in glucose end up 3. When is fermentation used instead of cellular respiration? How does this apply to humans? Know the industrial uses of fermentation 4. What is ATP synthase do? Where is it located? 5. How are oxygen and carbon dioxide related to the function of the mitochondria? Why do we REALLY need to breathe? (Hint: where does CO2 come from? Where is O2 used?) 6. Know how cyanide stops cellular respiration
7. Consider each of the following reactions from the citric acid cycle. Describe the type of chemical reaction/transformation that is occurring. Indicate whether there is any generation of ATP, NADH or FADH2. a. SCOA b. OH
5. Which of the following pathways will use coenzyme A during aerobic cellular respiration? electron transport system pyruvate oxidation glycolysis Krebs cycle
1. Name the metabolic process 2. Name the stage of metabolism this gas is involved in 3. Describe exactly how is it involved 4. The redox of the reaction 1) Why do humans breath in O2? Why do humans breath out CO2? Why do plants take in CO2? Why do plants take in H2O? Why do plants give off O2?
2. Consider a hypothetical organism that produces 12 moles of NADH and 2 moles of FADH2 during the oxidation of glucose. If 4 of the 12 moles of NADH were synthesized during glycolysis, determine the expected ATP output from these coenzymes if the G-3-P shuttle system is used. 36 ATP 32 ATP 34 ATP 42 ATP
16. Describe how each of the following compounds participate in energy metabolism.a) Pyruvic acid b) NAD +
2 ATP + HCO₂ + NH₂ 140 CPS-1 H₂N OPO,2 H₂N 2 ADP, P CH₂ HỘ NHỎ coo 1 0=UN NH₂ P OTC ARG1 H₂O NH₂ H₂H Coo NH CHI CH₂ Coo CH₂ 7 CH₂ HỘ NHĨ coo 4 5 Which of the following is a carbon input to this pathway? (Numbers refer to the above key) 1 2 3 4 None of these is a carbon input NH CH₂ CH₂ CH₂ HỒ NH coo ASL -8---8 CH₂ HỘ NHĨ coo CH ASS ATP PP L-Asp AMP 1 L-ornithine 2 carbamoyl phosphate 3 L-citrulline 4 argininosuccinate 5 fumarate 6 L-arginine 7 urea L-Asp L-aspartate CPS-1 carbamoyl phosphate synthetase I OTC Ornithine transcarbamoylase ASS argininosuccinate synthetase ASL argininosuccinate lyase ARG1 arginase 1 OH OH NH₂
3.

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1. Why are anabolic reactions that require energy always linked with the hydrolysis of a high energy compound like ATP? 2. Why is the conversion of NAD+ to NADH and H+ a reduction?