### Glycolysis and the Role of NAD⁺ and NADH**Question:**Which reaction or reactions in glycolysis require NAD⁺ as a reactant?**Explanation:**In glycolysis, NAD⁺ is required during the conversion of glyceraldehyde-3-phosphate to 1,3-bisphosphoglycerate, which is catalyzed by the enzyme glyceraldehyde-3-phosphate dehydrogenase. This reaction involves the reduction of NAD⁺ to NADH.**Question:**Which reaction or reactions in glycolysis require NADH as a reactant?**Explanation:**Glycolysis itself does not consume NADH as a reactant; however, NADH is produced and later used in cellular respiration to generate ATP, primarily through oxidative phosphorylation. In some anaerobic conditions, NADH is reoxidized to NAD⁺ through processes like fermentation.

Cellular respiration is the process how biochemical energy is generated from food. It involves the…

Answered: Which reaction or reactions of…

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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Similar questions

How is ATP and hydrogen molecules used in the dark reaction? That is, what are these products for (or what exactly is the dark reaction “trying to accomplish” and how are the two products of the light reaction used for this purpose)?
What are the products of glycolysis (from one glucose molecule)? What happens with NADH under aero (with oxygen) vs anaerobic (without oxygen)?
The energy stored in one molecule of NADH is used to synthesize how many molecules of ATP?
In oxidative phosphorylation, how many molecules of ATP are produced per molecule of NADH in the mitochondrion?
Which of the following statements are true? For each, explain why or why not. (a) All coenzymes are electrontransfer agents. (b) Coenzymes do not contain phosphorus or sulfur. (c) Generating ATP is a way of storing energy.
Draw the pathway for the conversion of Propionyl CoA to Succinyl CoA as it occurs in thematrix of the mitochondria. Show the structures and names of all reactants and products, as well asthe names of the enzymes. You do not need to draw the structures of ATP, NAD+, CoA, etc., but doshow them as reactants or products in the appropriate places. You do not need to show themechanisms of the enzymes. Draw the pathway for the conversion of Succinyl CoA into 4 CO2. Show the structures andnames of all reactants and products, as well as the names of the enzymes. You do not need to drawthe structures of ATP, NAD+, CoA, etc., but do show them as reactants or products in the appropriateplaces. You do not need to show the mechanisms of the enzymes. How many ATPs would be generated by the complete oxidation of Propionyl CoA into 3 CO2using any of the required enzymes of -oxidation, gluconeogenesis, glycolysis,the citric acid cycle andoxidative phosphorylation?
Table 8: ATP Yield from Anaerobic Respiration (for 1 Glucose Molecule) # of ATPS Generated through Substrate-Level Phosphorylation # of ATPS Generated from NADH and FADH, through Oxidative # of NADH and FADH, Produced Gross Subtotal of ATPS Produced Process Phosphorylation NADH: FADH2: Glycolysis NADH: FADH2: GROSS TOTAL of ATPS Produced # of ATPS Spent NETTOTAL of ATPS Produced Fermentation
Which of the following factors does not pay for the generation of NADH and ATP during steps 6 and 7 of glycolysis? a Solvation b Oxidation of an alcohol group to an aldehyde group c Enthalpy d Delocailization of electrons/Resonance
list three factor which influence enzymatic activity and list the four steps of cellular respiration and where they take place in the cell. Write the equation for cellular reespiration and photosynthesis indicate which reactant is oxdidized and which is reduced in both equation
Glycolysis is the central metabolic pathway for any cell (prokaryotic or eukaryotic) to generate energy. The primary reactant that enter glycolysis is , and the process generates 2 (= reduced (= 3 carbon molecules.) co-enzyme, electron carrier molecule), and 2 Glucose (energy carrier molecule), 2 2 NAD+ 2 ADP 2NADH 2ATP Zw Pyruvate ●●● Pyruvate
Which of the following accurately describes the enzymatic regulation of glycolysis? Glycolytic enzymes maintain a steady-state [ATP]; ATP activates the pathway, ADP and AMP inhibit it. Glycolytic enzymes maintain a steady-state [ATP]; ADP and AMP activate the pathway, ATP inhibits it. Glycolytic enzymes maintain ATP hydrolysis at equilibrium (AG = 0); ATP activates the pathway, ADP and AMP inhibit it. Glycolytic enzymes maintain ATP hydrolysis at equilibrium (AG = 0); ADP and AMP activate the pathway, ATP inhibits it.
all dehydrogenase reactions are variations upon a theme. Within that set of reactions, all reactions involving NAD+ are variations on a theme. Within that set of reactions, all reactions involving decarboxylation are variations on a theme; oxidative deamination is a variation on the theme of oxidative decarboxylation.

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Which reaction or reactions of glycolysis require NAD* as a reactant? Which reaction or reactions in glycolysis require NADH as a reactant?