Which of the following about glycolysis are CORRECT?1I.II.III.IV.Among all the reactions in glycolysis, reaction catalysed by hexokinase has thelargest negative AGThe overall pathway of glycolysis has a negative AGGlycolysis is tightly regulated in coordination with other energy-yielding pathwaysTwo NADP molecules are released and coupled exergonic reactions possible.A. I and IIB. I and IIIOC. II and IVD. I, II and IIIE. All of them Which of the following is CORRECT?A. Hydrolysis of starch into glucose is an elimination reactionB. Group transfer reaction is a nucleophilic substitution reactionC. The conversion of glyceraldehydes 3-phosphate to 1,3-bisphosphoglycerate inglycolysis is a group transfer reactionD. Homolytic cleavages are more common in biochemical reactionsE. Electrophiles are electron-rich atoms and nucleophiles are electron-deficient atoms

Glycolysis is the breakdown of one molecule of glucose into two molecules of pyruvate through ten…

Answered: Which of the following is CORRECT?

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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Beside each compound listed, indicate what stage or stages of cellular respiration it is associated with by placing an 'X' in each applicable box. Compound Glycolysis Pyruvate Oxidation Kreb's Cycle ETC/Chemiosmosis a. ATP b. Acetyl-CoA c. Citric Acid d. Coenzyme A e. Glucose f. Pyruvate g. FADH2 h. ATP synthase i. CO2 j. H2O k. O2
Draw the entire glycolysis (no structutes). Specifically, note what enzyme is used, its enzyme class, and its function in glycolysis.
c) Some scientists debate whether it is correct to consider pyruvate as “the end of glycolysis”. Elaborate on this statement, discussing supporting and limiting facts.
Six-carbon Glucose is completely oxidized to CO2 and H2O during respiratory metabolism. When do these "decarboxylation" reactions occur? A. First five steps of glycolysis B. Last five steps of glycolysis C. Pyruvate Oxidation D. Citric Acid/Krebs Cycle E. Both C and D above
Which of the following reactions in glycolysis is/are reversible? A. PEP → pyruvate B. DHAP → G3P C. glucose → G6P D. G6P → F6P
Select the correct statement for pyruvate dehydrogenase (a) Catalyses oxidative decarboxylation (b) Requires coenzymes like NAD+ (c) Require cofactor Mg++ a.Only b b.Only b and c c.Only c d.All a,b and c
which of the following glycolytic reactions is an oxidation? a) G3P to 1,3-BPG b) PEP to Pyr c) lactic acid fermentation under anaerobic conditions d) condensation of acetate with OAA e) succinate decarboxylase reaction
Gluconeogensis uses nearly all of the same enzymes as those in ____, and is a(an) ______ reaction. Select one: a. Citric Acid Cycle anabolic b. citric acid cycle, catabolic c. glycolysis, anabolic d. glycolysis, catabolic e. none of the above
Which of the following is not true about glycolysis? a. Glucose is the starting substrate b. Also called as Embden-Meyerhof-Parnas pathway c. The first redox reaction in glycolysis occurs in stage II d. It is the universal pathway for anabolism of glucose
The committed step of glycolysis is catalyzed by which of the follwing enzymes? a. aldolase b. hexokinase c. Phosphofructokinase-1 d. Pyruvate kinase
Glycolysis is regulated primarily by _______________. a. three strongly exergonic, non-equilibrium reactions. b. three strongly endergonic, non-equilibrium reactions. c. allosteric effectors of pyruvate kinase. d. phosphorylation of phosphofructokinase. e. the availability of glucose-6-phosphate.
The first half of glycolysis is referred to as the preparatory or investment phase because it involves: (Select all that apply!) a) formation of NADH b) conversion of glucose to pyruvate c) formation of G3P d) consumption of ATP

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