Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 9, Problem 21TYK
Which of the following statements is false concerning the enzyme phosphofructokinase?
- a. It is an allosteric enzyme.
- b. It is inhibited by citrate.
- c. It is inhibited by AMP.
- d. It is an early enzyme in the glycolytic pathway.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Which of the following statements concerning the enzyme regulation is CORRECT?
Select one:
A.
Citrate is the allosteric inhibitor of hexokinase.
B.
AMP is the alloseric activator of pyruvate dehydrogenase.
C.
Glucose-6-phosphate is the allosteric activator for phosphofructokinase.
D.
ATP is the activator of pyruvate kinase.
Which of the following statements about the "central role" of TCA is/are correct?
a. Some metabolic intermediates of TCA are used as non-carbohydrate sources for gluconeogenesis.
b. β-oxidation of lipids produces acetyl-CoA that can enter TCA.
c. All metabolic intermediates in TCA are used in the biosynthesis of amino acids.
d. Degraded amino acids are converted to metabolic intermediates of TCA, then to ketone bodies.
Which of the following is NOT involved in the activation of glucose for glycogen synthesis?
A.
Phosphorylation of glucose by hexokinase to glucose-6-phosphate.
B.
Isomerization of glucose-6-phosphate to fructose-6-phosphate by phosphohexose isomerase.
C.
Two-step phosphoryl group transfer by phosphoglucomutase.
D.
Attachment of glucose-1-phosphate to UDP.
Chapter 9 Solutions
Study Guide for Campbell Biology
Ch. 9 - Fill in the following summary equation for...Ch. 9 - Fill in the appropriate terms in the following...Ch. 9 - a. In the conversion of glucose and O2 to CO2 and...Ch. 9 - a. NAD+ is called a(n) ____________________. b....Ch. 9 - Fill in the three stages of cellular respiration...Ch. 9 - Fill in the blanks in the following summary...Ch. 9 - Fill in the blanks in the following diagram of the...Ch. 9 - Label the following diagram of oxidative...Ch. 9 - Fill in the following tally for the maximum ATP...Ch. 9 - How much more ATP can be generated by aerobic...
Ch. 9 - This chapter describes how catabolic pathways...Ch. 9 - Prob. 2SYKCh. 9 - Fill in the following table to summarize...Ch. 9 - When electrons move closer to a more...Ch. 9 - In the reaction C6H12O6 + 6 O2 6 CO2 + 6 H2O, a....Ch. 9 - In which of the following conversions is the first...Ch. 9 - Some prokaryotes use anaerobic respiration, a...Ch. 9 - Which of the following reactions is incorrectly...Ch. 9 - In which organelle of a plant cell does the citric...Ch. 9 - Which of the following compounds produces the most...Ch. 9 - Aerobic eukaryotes produce CO2 as a by-product...Ch. 9 - Which of the following statements correctly...Ch. 9 - In the electron transport system, H+ ions are...Ch. 9 - When glucose is oxidized to CO2 and water,...Ch. 9 - The energy required for the chemiosmotic synthesis...Ch. 9 - Which of the following statements correctly...Ch. 9 - The citric acid cycle is best described as a. the...Ch. 9 - Fermentation produces less ATP than cellular...Ch. 9 - If muscle cells do not receive enough oxygen from...Ch. 9 - Glucose made from six radioactively labeled carbon...Ch. 9 - Glycolysis is considered one of the first...Ch. 9 - Which of the following substances produces the...Ch. 9 - Fats and proteins can be used as fuel in the cell...Ch. 9 - Which of the following statements is false...Ch. 9 - Brown fat, which is found in newborn infants and...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following about eicosanoids is incorrect? A. Cyclooxygenase pathway produces prostaglandins from arachidonic acid. B. Lipoxygenases metabolize arachidonic acid to thromboxane. C. Lipoxygenase pathway produces leukotrienes. D. Phospholipase A2 catalyzes the liberation of arachidonic acid from phospholipidsarrow_forwardWhich of the following statements regarding formation of glucose - 1 - phosphate from glycogen is NOT CORRECT? A. It triggered by low blood glucose B. It requires ATP hydrolysis C. It is catalyzed by glycogen phosphorylase enzyme D. It involves the cleavage of an alpha (1- 4) bondarrow_forwardThe following are the negative regulators of phosphofructokinase except Select one: a. AMP +b. H c. Citrate d. ATParrow_forward
- Which of the following statements concerning gluconeogenesis is NOT true? a. Gluconeogenesis is to make glucose from glycogen. b. Many of the reactions of gluconeogenesis are glycolytic reactions going in reverse. c. The process of gluconeogenesis consumes ATP. d. The process of gluconeogenesis is regulated by ATP. e. Gluconeogenesis maintains the blood glucose level long after all dietary glucose has been absorbed and oxidized.arrow_forwardWhich of the following statements is/are TRUE about the PPP? A. Most active in cells where lipids are synthesized. B. Reactions involved are oxidative and non-oxidative. C. Also called the hexose monophosphate shunt pathway. D. Occurs in the cytosol.arrow_forward"which of the following can be used to replenish oxaloacetate in the krebs cycle"a. aspartic acid b.glutamine c.asparagine d. glutamic acidarrow_forward
- Statin drugs are used to treat hypercholesterolemia because they a. prevent cholesterol from inserting in plasma membranes b. prevent cholesterol ester formation c. inhibit HMG-CoA reductase d. stimulate HMG-CoA synthasearrow_forwardWhich one of the following statements is not correct for the transamination reaction that amino acid contributed? a.Pyridoxal phosphate has a crucial role in transamination reactions. b.Enzyme levels may be high in liver and muscle diseases. c.Transamination reactions are catalyzed by aminotransferases. d.Alanine aminotransferase catalyzed reactions can be given as an example for transamination reactions. e.Transamination reactions are irreversible.arrow_forwardThe reaction catalyzed by glyceraldehyde 3-phosphate dehydrogenase involves two "sub-reactions", one of which is unfavourable. How is the energy barrier of this unfavourable sub reaction overcome? A. through the formation and hydrolysis of a thioester bond using a cysteine molecule in the enzyme B. through the hydrolysis of an ATP molecule C. through the hydrolysis of a thioester bond in the substrate molecule D. the enzyme catalyzes the formation of a thioester bond E. none of these explanations describe how the energy barrier is overcome Please answer asaparrow_forward
- The rate limiting and committed step of the pentose phosphate pathway is catalyzed by which of the following enzymes? A. Glucose-6-phosphate dehydrogenase B. Hexokinase C. 6-Phosphogluconate dehydrogenase D. Transketolasearrow_forwardWhich of the following is true concerning the function of lipoic acid in pyruvate metabolism? a. transfer of acetyl groups b. pyruvate decarboxylation c. conversion of pyruvate to lactate d. oxidation of FADH2 to yield NADHarrow_forwardWhich one of the following statements concerning gluconeogenesis is correct? a. It is inhibited by elevated levels of acetyl CoA. b. It occurs in muscle. c. It is important in maintaining blood glucose during normal overnight fast. d. It is stimulated by fructose 2,6-bisphosphate.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Human Anatomy & Physiology (11th Edition)BiologyISBN:9780134580999Author:Elaine N. Marieb, Katja N. HoehnPublisher:PEARSON
Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Anatomy & PhysiologyBiologyISBN:9781259398629Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa StouterPublisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)BiologyISBN:9780815344322Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter WalterPublisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & PhysiologyBiologyISBN:9781260159363Author:Martin, Terry R., Prentice-craver, CynthiaPublisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)BiologyISBN:9781260231700Author:Sylvia S. Mader, Michael WindelspechtPublisher:McGraw Hill Education
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:PEARSON
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Anatomy & Physiology
Biology
ISBN:9781259398629
Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:9780815344322
Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:9781260159363
Author:Martin, Terry R., Prentice-craver, Cynthia
Publisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:9781260231700
Author:Sylvia S. Mader, Michael Windelspecht
Publisher:McGraw Hill Education
Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY