For each molecule of glucose that enters cellular respiration, what would be the combined products of glycolysis, pyruvate oxidation, and the citric acid cycle? A) 4 ATP, 6 CO2, 10 NADH, and 2 FADH2 B) 1 ATP, 2 CO2, 3 NADH, and 1 FADH2 C) 4 ATP, 4 CO2, 6 NADH, and 3 FADH2 D) 2 ATP, 6 CO2 10 NADH, and 2 FADH2

For each molecule of glucose that enters cellular respiration, what would be the combined products of glycolysis, pyruvate oxidation, and the citric acid cycle? A) 4 ATP, 6 CO2, 10 NADH, and 2 FADH2 B) 1 ATP, 2 CO2, 3 NADH, and 1 FADH2 C) 4 ATP, 4 CO2, 6 NADH, and 3 FADH2 D) 2 ATP, 6 CO2 10 NADH, and 2 FADH2

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter4: How Cells Obtain Energy

Section: Chapter Questions

Problem 9RQ: What do the electrons added to NAD do? a. They become part of a fermentation pathway. b. They go to...

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Which statement is true about the process of fermentation? In fermentation, O2 is a terminal acceptor of electrons During fermentation, pyruvate or a byproduct of pyruvate gets reduced During fermentation, pyruvate or a byproduct of pyruvate gets oxidized During fermentation, ATP is consumed Fermentation takes place in the mitochondrial matrix
When fructose present in either liver or muscle undergoes glycolysis to form pyruvate, how many moles of ATP are consumed to activate it? 1 2 4 none b When glyceraldehyde-3-phosphate undergoes glycolysis to form pyruvate, how many moles of ATP are produced? 1 2 4 none c When fructose undergoes glycolysis to form two moles of pyruvate, how many moles of ATP are produced? 1 2 4 none d Is there a difference in the way fructose is metabolized in the liver versus in muscle tissue? yes no
Which of the following statements is correct? a. Glycolysis and Krebs cycle produce ATP in substrate level phosphorylation b. Glycolysis and Krebs cycle produce ATP in oxidative level phosphorylation. c. Glycolysis and pyruvate oxidation produce ATP in substrate level phosphorylation. d. Glycolysis and pyruvate oxidation produce ATP in oxidative level phosphorylation.
Of the 36 molecules of ATP produced by the complete metabolism of glucose, how many are produced directly in glycolysis alone, that is, before the common pathway?
Which carbon or carbons of glucose, if metabolized via glycolysis and the citric acid cycle, would be most rapidly lost as CO2?
How many of the 30 ATP molecules produced from the complete oxidation of 1 glucose molecule are produced during glycolysis?
Which of the following is the second step of Citric Acid Cycle? Select one: a. Isocitrate and then decarboxylated and oxidized to produce alpha-ketoglutarate, Carbon dioxide and NADH b. Succinyl-CoA becomes Succinate and forms one ATP molecule and Coenzyme A-SH c. alpha-ketoglutarate is oxidized and decarboxylated to produce Succinyl-CoA, Carbon dioxide and NADH d. Malate is oxidized to become oxaloacetate forming NADH e. Fumarate is combined with water to become Malate f. Citrate is rearranged to become Isocitrate g. Pyruvate is decarboxylated to become acetyl-CoA producing NADH and Carbon dioxide h. Oxaloacetate combines with the acetyl from acetyl-CoA to produce Citric acid(citrate) i. Succinate is oxidized to become fumarate forming FADH2
Which chemical equation represents the breakdown of organic carbon (into inorganic form) thattakes place during glycolysis, the Krebs cycle, and electron transport (aerobic respiration)? A. C6H12O6 + C6H12O6  C12H22O11 + H2OB. 6CO2 + 12H2O  C6H12O6 + 6O2 + 6H2OC. C12H22O11 + H2O  C6H12O6 + C6H12O6D. C6H12O6 + 6O2 + 6H2O  6CO2 + 12H2OE. all of the above
Which of the following statements is correct? A) NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle. B) NAD+ has more chemical energy than NADH. C) NAD+ is oxidized by the action of hydrogenases. D) NAD+ can donate electrons for use in oxidative phosphorylation. E) NAD+ is reduced during fermentation in order for glycolysis to continue.
How many times must the TCA cycle be performed to oxidize one molecule of glucose completely to six molecules of CO2? Why?
What is the purpose of respiration? What are the inputs, products, and energy required or gained? How does it differ from fermentation? in other words, how do Glycolysis, Pyruvate dehydrogenase, Kreb cycle, and electron transport chain work and connect to the production of ATP by chemiosmosis? compare that to fermentation.
How many steps in the glycolysis pathway consume ATP?