Biochemistry: Concepts and Connections (2nd Edition)
2nd Edition
ISBN: 9780134641621
Author: Dean R. Appling, Spencer J. Anthony-Cahill, Christopher K. Mathews
Publisher: PEARSON
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Textbook Question
Chapter 12, Problem 16P
How many ATP equivalents are consumed in the conversion of each of the following to a glucosyl residue in glycogen?
- Dihydroxyacetone phosphate
- Fructose-1 ,6-bisphosphate
- Pyruvate
- Glucose-6-phosphate
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What glycolytic intermediate is fructose converted to in the muscle, such that it can be utilized in glycolysis?
Glucose 6-phosphate
Fructose 6-phosphate
Glyceraldehyde 3-phosphate
Dihydroxyacetone phosphate
In which of the following metabolic conversions is ATP “generated” during glycolysis?
Phosphoenolpyruvate -> pyruvate
2-Phosphoglycerate —> Phosphoenolpyruvate
Glucose-6-phosphate —> Fructose-6-phosphate
Fructose-1,6-bisphosphate —> Dihydroxyacetone phosphate + Glyceraldehyde-3-phosphate
Fructose-6-phosphate —> Fructose-1,6-bisphosphate
In which of the following metabolic conversions is ATP “generated” during glycolysis?
Glucose —> Glucose-6-phosphate
1,3-Bisphosphoglycerate —> 3-Phosphoglycerate
Fructose-1,6-bisphosphate —> Dihydroxyacetone phosphate + Glyceraldehyde-3-phosphate
Glucose-6-phosphate —> Fructose-6-phosphate
2-Phosphoglycerate —> 3-Phosphoglycerate
Chapter 12 Solutions
Biochemistry: Concepts and Connections (2nd Edition)
Ch. 12 - Prob. 1PCh. 12 - Methanol is highly toxic, not because of its own...Ch. 12 - Prob. 3PCh. 12 - Prob. 4PCh. 12 - Prob. 5PCh. 12 - Write balanced chemical equations for each of the...Ch. 12 - Prob. 7PCh. 12 - Prob. 8PCh. 12 - Prob. 9PCh. 12 - Prob. 10P
Ch. 12 - Some anaerobic bacteria use alternative pathways...Ch. 12 - Write a pathway leading from glucose to lactose in...Ch. 12 - Prob. 13PCh. 12 - Prob. 14PCh. 12 - Prob. 15PCh. 12 - How many ATP equivalents are consumed in the...Ch. 12 - Prob. 17PCh. 12 - Avidin is a protein that binds extremely tightly...Ch. 12 - 14CO2 was bubbled through a suspension of liver...Ch. 12 - Prob. 20PCh. 12 - Prob. 21PCh. 12 - Prob. 22PCh. 12 - Prob. 23PCh. 12 - 24. Glycogen synthesis and breakdown are regulated...Ch. 12 - Prob. 25PCh. 12 - Prob. 26PCh. 12 - Prob. 27PCh. 12 - Prob. 28PCh. 12 - 29 [1-14C] Ribose-5-phosphate is incubated with a...Ch. 12 - Prob. 30PCh. 12 - Prob. 31PCh. 12 - Prob. 32PCh. 12 - Prob. 33P
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biochemistry and related others by exploring similar questions and additional content below.Similar questions
- How many ATP are produced from a triglyceride containing three 14 carbon fatty acids? NOTE: Assume that glycerol is converted to Glyceraldehyde-3-Phosphate (step 6 of glycolysis).arrow_forwardThe complete oxidation of glucose 6-phosphate derived from free glucose yields 30 molecules ATP, whereas the complete oxidation of glucose 6- phosphate derived from glycogen yields 31 molecules of ATP. Account for this difference.arrow_forwardWhat would be the effect (promotes glycolysis or gluconeogenesis) of a sudden increase in the concentration of (a) [ATP] ↑ (b) [AMP] ↑ (c) [fructose-1,6-bisphosphate] ↑arrow_forward
- Why does it make good metabolic sense for phosphoenolpyruvate carboxykinase, rather than pyruvate carboxylase, to be the primary target for the regulation of gluconeogenesis at the level of control of enzyme synthesis? Match the words in the left column to the appropriate blanks in the sentences on the right. fructose-1,6-bisphosphate pyruvate 3-phosphoglycerate increasing reducing glycolytic pathway forward acetaldehyde lactate phosphoenolpyruvate oxaloacetate citric acid cycle back glyceraldehyde- 3-phosphate Firstly, pyruvate carboxylase converts which can participate in the gluconeogenesis pathway, and also plays an additional metabolic role in aiding the entry of intermediates into the Hence, it makes sense for phosphoenolpyruvate carboxykinase (PEPCK) to catalyze the conversion of gluconeogenesis pathway , thereby pyruvate carboxylase. to to Thirdly, PEPCK action results in the formation of amino acids and their subsequent entry into the citric acid cycle. Reset Help to push the…arrow_forwardIn metabolism, glucose-6-phosphate (G6P)can be used for glycogen synthesis or for glycolysis, among otherfates. What does it cost, in terms of ATP equivalents, to storeG6P as glycogen, rather than to use it for energy in glycolysis?Hint: The branched structure of glycogen leads to 90% of glucose residues being released as glucose-1-phosphate and 10%as glucose.arrow_forwardThe coenzyme NAD+ is required for which glycolytic reaction shown below? Oglyceraldehyde-3-P→ 1,3-bisphosphoglycerate glucose glucose-6-P fructose-6-P→ fructose-1,6-BP 2-phosphoglycerate → phosphoenolpyruvatearrow_forward
- What enzyme will not be used if the oxidative portion of the pentose phosphate pathway is operating to produce ribose 5-phosphate? Ribulose 5-phosphate isomerase 6-phosphoglucono-lactonase 6-phosphogluconate dehydrogenase Transaldolasearrow_forwardIn metabolism, glucose-6- phosphate (G6P) can be used for glycogen synthesis or for glycolysis, among other fates. What does it cost, in terms of ATP equivalents, to store G6P as glycogen, rather than to use it for energy in glycolysis? Hint: The branched structure of glycogen leads to 90% of glucose residues being released as glucose1-phosphate and 10% as glucose.arrow_forwardWhich of the following monosaccharide phosphates is NOT produced in the pentose phosphate pathway? O seduheptulose-7-phosphate O mannose-6-phosphate O ribose-5-phosphate O erythrose-4-phosphatearrow_forward
- How many ATP will be broken down in the complete β-oxidation of this fatty acid?arrow_forwardWhat is the first step in the catabolism of an amino acid to intermediates of cellular respiration?arrow_forwardWhich of the following glycolytic enzymes catalyzes the conversion of fructose-1,6-bisphosphate into the two product molecules dihydroxyacetone phosphate, and glyceraldehyde-3-phosphate? phosphoglycerate kinase pyruvate kinase malate dehydrogenase aldolase phosphofructokinasearrow_forward
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