When the cell needs both NADPH and ATP, the most likely utilization of the PentosePhosphate Pathway (PPP) isOnly the first oxidative portion of the pathway is utilized, starting with glucose-6-Pand ending with ribose-5-phosphateThe entire PPP is utilized, cycling through from glucose-6-P to glycolyticintermediates at the endThe entire PPP is utilized, cycling through from glucose-6-P to glycolyticintermediates at the end to gluconeogenesisGlycolytic intermediates are fed into the end of the PPP, running the nonoxidative(latter) reactions backward to get to ribose-5-phosphate

The pentose phosphate pathway synthesizes NADPH and pentose sugars required by the cells. The…

Answered: When the cell needs both NADPH and ATP,…

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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Some cofactors that participate in the reactions of the citric acid cycle are indicated by letters. Identify the position of positions of NADH in the cycle by selecting the appropriate letter or letters designating its position(s) in the cycle diagram. COA CH, HO--Co, CH čo, 8 CO но-сн CH HC -Co, CO HO-CH LA Citric acid cycle H,0 co, -B COA | 4 Co, čo D.
What are the regulation of glycogeonesis and pentose phosphate pathway?
A specialized lysine-linked co-enzyme often participates in the transfer of carbon fragments within an enzyme complex. Which group of three enzymes below make use of lysine-linked co-enztmes. Pyruvate dehydrogenase complex, a-Ketoglutarate dehydrogenase complex, NADH-Q oxidoreductase Pyruvate dehydrogenase complex, Succinate-Q oxidoreductase, Pyruvate carboxylase Pyruvate dehydrogenase complex, a-Ketoglutarate dehydrogenase complex, Pyruvate carboxylase Pyruvate dehydrogenase complex, Succinate-Q oxidoreductase, NADH-Qoxidoreductase Coordinate regulation occurs when different metabolic pathways are impact by a common compound. Which molecules below are compounds of coordinated regulation? Acety-CoA Molecular oxygen ATP NADH
Which one of the following statements about PEP (phosphoenolpyruvate) synthesis is correct? Pyruvate can be converted to PEP by a combination of reactions that use energy from two different types of nucleotide triphosphate Pyruvate can be converted to PEP by pyruvate kinase via a single reaction. Pyruvate can be converted to PEP by a mutase. Pyruvate is converted to PEP by the citric acid cycle.
Which of the following conditions must be met within the cell In order for the enzyme pyruvate carboxylase to be activated? Select all that apply. NADP+ levels must be high Phosphofructokinase must be in the activated R-state Beta-oxidation of fatty acids happening in the mitochondrial matrix AMP levels must be high ATP levels must be high
Which of the following conditions is most likely to lead to the activation of pyruvate dehydrogenase? High concentrations of acetyl-CoA High concentrations of NADH High concentrations of NAD+ High concentrations of CO2
In glycolysis, pyruvate kinase produces what high energy product and what low energy product?
in the mitochondria pyruvate is converted into acetyl CoA so then acetyl CoA make its way to the TCA cycle and produces energy sources for oxidative phosphorylation. Pyruvate oxidation transforms pyruvate, a three-carbon molecule, into acetyl, a two-carbon molecule linked to Coenzyme A, generating NADH and releasing one carbon dioxide molecule in process the citric acid cycle is fundamental because runs on acetyl CoA as its fuel. i need more explanantion
Identify where sugar oxidation, substrate-level phosphorylation, and the reduction of NAS+ occurs in glycolysis
A cell is grown on minimal media containing only 3-phosphoglyceric acid as a source of carbon and energy. What is the most likely place this compound would enter the metabolic cycle? Group of answer choices Glycolysis Conversion of Pyruvate to Acetyl-CoA The TCA Cycle The Electron Transport Chain
Which statement is TRUE regarding the glycolytic pathway? It includes five phosphate transfer reactions. All of the enzymes that are regulated by product inhibition. It includes reactions catalyzed by three isomerase enzymes. All of the enzymes are regulated by high ATP concentratrion
Break down the glycolysis pathway in terms of the following reaction steps (you may write or take photos of chemical reactions; be sure to include the enzyme involved): - ATP-requiring steps - ATP-producing steps - NAD-involving steps, and - Irreversible steps

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