Which of the following steps occurs during the payoff phase of glycolysis? A. the conversion of phosphoenolpyruvate to pyruvate B. the conversion of fructose 6-phosphate to fructose 1,6-biphosphate C. the conversion of glucose 6-phosphate to fructose 6-phosphate D. the conversion of glucose to glucose 6-phosphate

Which of the following steps occurs during the payoff phase of glycolysis? A. the conversion of phosphoenolpyruvate to pyruvate B. the conversion of fructose 6-phosphate to fructose 1,6-biphosphate C. the conversion of glucose 6-phosphate to fructose 6-phosphate D. the conversion of glucose to glucose 6-phosphate

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 12RQ: The cholesterol synthesized by cells uses which component of the glycolytic pathway as a starting...

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The cholesterol synthesized by cells uses which component of the glycolytic pathway as a starting point? a. glucose b. acetyl CoA c. pyruvate d. carbon dioxide
Which of the following is FALSE about glycolysis? a. The pathway axidizes two moles of NADH to NAD* for each mole of glucose. b. The pathway requires two moles of ATP to get started catabolizing each mole of glucose. c. ADP is phosphorylated to ATP via substrate -level phosphorylation. d. The pattivay produces pyruvate as one of its products.
Which of the following reactions in the glycolysis cycle are regulated by hormones? (more than one answer) a. Pyruvate to Lactate b. Fructose 6 Phosphate to Fructose 1,6 bis phosphate c. Glucose to Glucose 6P d. Phosphoenolpyruvate to Pyruvate e. 3-Phosphoglycerate to 2-Phosphoglycerate
Which of the following must be available in sufficient supply for glycolysis to proceed? a. Glucose, NAD+, and ATP b. Pyruvate, NADH, and ATP c. Glucose, NADH, and ATP d. Acetyl-CoA, FAD, and NAD+ e. Pyruvate, NAD+, and ATP
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
Which of the following steps is TRUE about the energy investment phase of glycolysis? A. ATPs are consumed. B. ATPs are produced. C. NADH is consumed. D. NAD+ is produced.
Which of the following statements summarizes glycolysis?O c. Consume 4 ATP and produces 2 ATP, 2 NADH and 2 pyruvatesO a. Consume 2 ATP and produces 2 ATP, 2 NADH and 2 pyruvatesO d. Consume 2 ATP and produces 4 ATP, 4 NADH and 2 pyruvatesO b. Consume 2 ATP and produces 4 ATP, 2 NADH and 2 pyruvates
The committed step of glycolysis is catalyzed by which of the follwing enzymes? a. aldolase b. hexokinase c. Phosphofructokinase-1 d. Pyruvate kinase
Which of the following statements is not true? (a) Glycolysis is the ﬁrst stage of cellular respiration. (b) Glycolysis can proceed under low oxygen levels with the assistance of fermentation. (c) Glycolysis produces less ATP than does either the Krebs cycle or oxidative phosphorylation. (d) Glycolysis produces most of the ATP required by aerobic organisms like us.
Hexokinase is used to do which of the following steps of glycolysis? Select one: a. Glucose is converted to Glucose-6-phosphate b. Phosphoenolpyruvate is converted to pyruvate c. Dihydroxyacetone (Glycerone Phosphate) is converted to Glyceraldehyde-3-phosphate d. Fructose-6-phosphate is converted to Fructose-1,6,bisphosphate e. 3-phosphoglycerate is converted 2-phosphoglycerate f. 1,3 Bisphosphoglycerate is converted to 3-phosphoglycerate g. 2-phosphoglycerate is converted to Phosphoenolpyruvate h. Glyceraldehyde-3-phosphate is converted to 1,3 Bisphosphoglycerate i. Fructose-1,6 Bisphosphate is converted to Dihydroxyacetone and Glyceraldehyde-3-phosphate j. Glucose-6-phosphate is converted to Fructose-6-phosphate
What is the event that ends the first stage of glycolysis? synthesis of NADH synthesis of pyruvate synthesis of triose phosphates synthesis of glucose 6-phosphate synthesis of ATP
Which of the following ideas is NOT TRUE for Glycolysis? A. Glycolysis breaks down glucose into two molecules of pyruvate. B. Glycolysis occurs in the cytoplasm and has two major phases. C. Glycolysis occurs whether or not oxygen is present. D. Glycolysis yields a net of 4 ATP.