Question 2Which steps below require an ATP to run?O PhosphorylationIsomerizationSecond PhosphorylationCleavageConversion of DHAP into GADPDephosphorylationPhosphate transferDehydrationSecond dehydrationQuestion 3Which steps are part of the energy investing half of glycolysis?PhosphorylationIsomerizationSecond PhosphorylationCleavageConversion of DHAP into GADPDephosphorylationPhosphate transferDehydrationSecond dehydration QuestionWhich steps produce ATP?O PhosphorylationIsomerizationSecond PhosphorylationCleavageConversion of DHAP into GADPDephosphorylationO Phosphate transferDehydrationSecond dephosphorylation

ATP is an energy currency for several biochemical steps in the living organism. It is composed of…

Answered: Which steps below require an ATP to…

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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Question:- 1.) If 2 molecules of glucose enters glycolysis, a total of how many carbon dioxide molecules are released after Krebs Cycle including those released during pyruvate processing?
QUESTION 22 When the final product of a series of enzymatically-catalyzed reactions binds to the first enzyme in the pathway to limit its production, it generally uses ___ because the structure of this final product is generally not similar to that of any of the enzyme's normal substrates. Allosteric activation Zymogen activation Covalent modification Competitive inhibition Allosteric inhibition
HIGH SCHOOL BIOLOGY QUESTION - please provide a junior/senior high school level response. Please do not copy answers from another website/source. DCCD (diocyclohexylcarbodiimide) inhibits oxidative phosphorylation when the substrate is mitochondrial NADH. DCCD is a drug that binds to ATP synthase and blocks proton transport through the ion channel. a) Breifly explain what the consequences of DCCD on cellular energy production are. b) Suggest at least one other cellular effect of DCCD and briefly explain this effect.
Question 9 - Under anaerobic conditions in the muscle, lactate dehydrogenase catalyzes the reaction converting pyruvate to lactate. What is the metabolic reason for this fermentation reaction? It is necessary to reduce pyruvate before it can be converted to acetyl-CoA and enter the citric acid cycle in muscle. NAD* must be replenished for glycolysis to continue. The reaction creates NADH which can produce additional energy in the electron transport chain. O Lactate is more oxidized than pyruvate.
Question 9 Why does acetyl Co-A occupy a central role in cellular metabolism? Question 9 options: Acetyl Co-A is essential to the catabolic process that includes triglyceride synthesis Only amino acids and glucose can be converted to acetyl Co-A since glucose cannot be derived from fatty acids Amino acids, fatty acids and glucose can all be converted to acetyl Co-A Acetyl Co-A is essential to the anabolic process that includes the citric acid cycl
QUESTION 10 True or False: The energy released by oxidation of NADH in the electron transport system is used to pump protons up their gradient. Protons flowing down their gradient are in turn used to provide the energy for phosphorylation of ADP. True False
Question:- The enzyme aromatase is found in the cytoplasm of some cells and converts testosterone to estrogen. You decide to test aromatase from a particular cell, and oops, your lab partner admits he drastically increased the pH in all the test tubes. Which of the following is a likely result? a. The enzyme will be denatured and the substrate will not bind to the active site. b. The enzyme will convert testosterone to estrogen at a faster rate. c. The mistake will have no effect on the experiment, because enzymes are not sensitive to pH. d. The free energy will be lowered and the reaction will not proceed spontaneously.
Question 1: When the CAC is run in reverse by microorganisms that use it to fix carbon, the citrate synthase reaction is different and is catalyzed by an enzyme called ATP-citrate lyase. Write the reaction catalyzed by ATP-citrate lyase, then briefly (in one sentence) explain why the use of different chemistry (different from the ‘normal’ direction) makes sense here.
Question 29 options: If 6 molecules of acetyl CoA were completely oxidized by the CAC, how many molecules of FADH2 would be produced?
QUESTION 2An isocitrate dehydrogenase assay was performed on the enzyme sample and found to give an absorbance change at 340nm of 0.5 absorbance units perminute. Given that the molar absorption coefficient (E) is 6220 M-1 cm-1 and the pathlength is 1cm, what is the rate of the enzyme catalysed reaction in umol perminute per mL?
Question:- According to Table 19-2 in Lehninger, which species would most readily donate its electron(s)? A. water B. cytochrome c (Fe2+) C. ubiquinol D. FMNH2 E. NADH
Question:- 33) Glucose-6-phosphate has different pathways that it can enter in the liver during the fed state. All of the following are possible except OA.) it is oxidized to acetyl CoA for fatty acid biosynthesis O B). it can enter the pathway for glycogen biosynthesis O c.) it is a substrate for glucose-6-phosphatase OD. )it is oxidized in glycolysis to provide energy for the body

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