In plants, under what solution conditions are Calvincycle and gluconeogenesis enzymes most active?1Low pH, low [Mg2+]Low pH, high [Mg2+]2High pH, low [Mg2+]4High pH, high [Mg2+]

Gluconeogenesis is the process of Synthesis of glucose from non Carbohydrate sources like aminoacids…

Answered: In plants, under what solution…

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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Glyceraldehyde 3-phosphate dehydrogenase in chloroplasts uses NADPH to participate in the synthesis of glucose. In gluconeogenesis in the cytoplasm, the isozyme of the dehydrogenase uses NADH. Why is it advantageous for the chloroplast enzyme to use NADPH?
Lactate fermentation is similar to and different from ethanol fermentation Match the following statements converts pyruvate to lactateconverts a 2-carbon molecule to ethanolinvolved in the production of pyruvate from glucose via glycolysis, and both result in the oxidation of NADH to NAD+involved in the production of glucose via glycolysis, and both result in the oxidation of NADH to NAD+converts a 2-carbon molecule to lactate occurs under anaerobic conditionsconverts pyruvate to carbon dioxideoccurs under aerobic conditions1 Lactate fermentation2 Ethanol fermentation3 Both lactate and ethanol fermentation3 Both lactate and ethanol fermentation4 Does not occur
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Which of the PDH coenzymes does not get restored to its original form at the end of the PDH reaction? FAD TPP NAD+ Lipoamide
Plants have alternate ways of getting respiratory substrates to the point of triose-phosphate of glycolysis. After that, plants have alternative steps during the carbon oxidation phase of glycolysis that affect whether or not ATP is synthesized during glycolysis. What are these various alternatives before and after triose-phosphate? Why are they used? How do they affect the ATP use and yield from glycolysis?
Hexokinase phosphohexose isomerase [Choose ] [Choose ] Is not the trapping reaction catalyzes an ATP-dependent phosphorylation of its substrate. Is irreversible and carries out substrate-level phosphorylation. PFK-1 aldolase triose-phosphate isomerase Splits the carbohydrate in two. Product is 2-phosphoglycerate. Is reversible and carries out substrate-level phosphorylation. Product is fructose-6-phosphate. Catalyzes the trapping reaction Makes a 2nd mole of G3P from DHAP Produces a high-free energy compound but no NADH or ATP. Oxidizes an aldehyde. GAPDH [Choose ] Phosphoglycerate kinase [Choose ]
Under anerobic conditions how many ATP molecules will be produced when 3.5 moles of Glucose are being consumed?
Cancer cells need more DNA synthesis but the NADPH/ NADP* ratio is high. Which of the following statement is TRUE? Flux through the oxidative reactions is low and the nonoxidative reactions are reversed in order to form ribose 5-phosphate. O b. The oxidative reactions and the isomerase supply both ribose 5-phosphate and NADPH with little flux through the nonoxidative branch. O C. Flux through the oxidative reactions increases and ribose 5-phosphate is shunted into glycolysis by the nonoxidative reactions. Od. The ribose 5-phosphate is recycled through the oxidative steps via the nonoxidative reactions and gluconeogenesis.
If a particular species has a c ring with 12 c subunits, how many protons have to be transported per ATP produced? (give answer WITHOUT corrections for transport reactions that decrease the proton motive force) Group of answer choices 3 4 12 2.7 What powers the rotation of the c ring of ATP synthase? Group of answer choices high phosphoryl-transfer potential movement of electrons through ATP synthase hydrolysis of ATP proton motive force Which of the following are true about Complex III of the electron transport chain? (select all that apply) Group of answer choices It is only found in brown fat It pumps 4 H+ into the matrix It acts as an ATP/ADP translocase It results in electron transfer cytochrome c It has 2 binding sites for Coenzyme Q Which of the following are true about ATP/NADH/FADH2 production from metabolism of 1 glucose? (answer with net max values) Group of answer choices For 2 acetyl CoA entering the citric acid cycle, 2 FADH2 are…
Name the three processes circled, say where they occur/how they relate, and what their significant contribution is?
15
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? O Glycolysis O Conversion of Pyruvate to Acetyl-CoA O The TCA Cycle The Electron Transport Chain

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In plants, under what solution conditions are Calvin cycle and gluconeogenesis enzymes most active? Low pH, low [Mg2+] 2 Low pH, high [Mg2+] 3 High pH, low [Mg2+] 4 High pH, high [Mg2+]