CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
12th Edition
ISBN: 9780136920335
Author: Urry
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 9, Problem 11TYU
INTERPRET THE DATA Phosphofructokinase is an enzyme that acts on fructose 6-phosphate at an early step in glucose breakdown. Regulation of this enzyme controls whether the sugar will continue on in the glycolytic pathway. Considering this graph, under which condition is phosphofructokinase more active? Given what you know about glycolysis and regulation of
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Plz explain and give the correct answer
Consider ten glucose molecules that enter a cell. How many ATP can be generated by the complete catabolism of these into CO2 and H2O? If all ten are first incorporated into glycogen, liberated from glycogen, and then fully catabolized into CO2 and H2O, does the ATP tally increase, decrease or stay the same? Consider that 1 UTP = 1 ATP. Explain. Describe the processes which produce ATP and provide a balanced equation of glucose, CO2, H2O and O2
In the first stage of glycolysis, the hydroxyl
group on C6 of glucose is phosphorylated
to form glucose-6-phosphate (G6P). In this
reaction, which of the following statements
is true?
a.
O b.
d.
e.
Glucose kinase is used to catalyze the reaction.
Hexokinase is used to catalyze the reaction.
A molecule of NADH is synthesized.
One ATP is synthesized.
Fructose kinase is used to catalyze the reaction.
Chapter 9 Solutions
CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
Ch. 9.1 - Compare and contrast aerobic and anaerobic...Ch. 9.1 - WHAT IF? If the following redox reaction...Ch. 9.2 - Prob. 1CCCh. 9.3 - Prob. 1CCCh. 9.3 - What process in your cells produce the CO2 that...Ch. 9.3 - Prob. 3CCCh. 9.4 - Prob. 1CCCh. 9.4 - WHAT IF? In the absence of O2 as in question 1,...Ch. 9.4 - MAKE CONNECTIONS Membranes must be fluid to...Ch. 9.5 - Consider the NADH formed during glycolysis. What...
Ch. 9.5 - WHAT IF? A glucose-fed yeast cell is moved from...Ch. 9.6 - MAKE CONNECTIONS Compare the structure of a fat...Ch. 9.6 - Prob. 2CCCh. 9.6 - Prob. 3CCCh. 9.6 - Prob. 4CCCh. 9 - Describe the difference between the two processes...Ch. 9 - Which reactions in glycolysis are the source of...Ch. 9 - What molecular products indicate the complete...Ch. 9 - Briefly explain the mechanism by which ATP...Ch. 9 - Prob. 9.5CRCh. 9 - Prob. 9.6CRCh. 9 - Level 1: Knowledge/Comprehension 1. The immediate...Ch. 9 - Prob. 2TYUCh. 9 - Prob. 3TYUCh. 9 - Prob. 4TYUCh. 9 - What is the oxidizing agent in the following...Ch. 9 - When electrons flow along the electron transport...Ch. 9 - Prob. 7TYUCh. 9 - Prob. 8TYUCh. 9 - Prob. 9TYUCh. 9 - Prob. 10TYUCh. 9 - INTERPRET THE DATA Phosphofructokinase is an...Ch. 9 - DRAW IT The graph here shows the pH difference...Ch. 9 - EVOLUTION CONNECTION AIP synthases are found in...Ch. 9 - SCIENTIFIC INQUIRY In the 1930s, some physicians...Ch. 9 - WRITE ABOUT A THEME: ORGANIZATION In a short essay...Ch. 9 - SYNTHESIZE YOUR KNOWLEDGE Coenzyme Q (CoQ) is sold...
Additional Science Textbook Solutions
Find more solutions based on key concepts
An obese 55-year-old woman consults her physician about minor chest pains during exercise. Explain the physicia...
Biology: Life on Earth with Physiology (11th Edition)
Gregor Mendel never saw a gene, yet he concluded that some inherited factors were responsible for the patterns ...
Campbell Essential Biology (7th Edition)
Describe the role and impact of microbes on the earth.
Microbiology Fundamentals: A Clinical Approach
On what molecule does the anticodon appear? Explain the role of this molecule in protein synthesis.
Human Physiology: An Integrated Approach (8th Edition)
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
- In hepatocytes, the enzyme glucokinase catalyzes the ATP-coupled phosphorylation of glucose. Glucokinase binds both ATP and glucose, forming a glucose-ATP-enzyme complex. The enzyme then transfers the phosphoryl group directly from ATP to glucose. Select the advantages of phosphoryl group transfer compared to hydrolysis and subsequent phosphorylation? Glucokinase increases the transition state energy, favoring glucose phosphorylation. Reaction intermediates do not need to be present in excess. The process takes advantage of the high phosphoryl group transfer potential of ATP. ATP hydrolysis is thermodynamically unfavorable compared to group transfer.arrow_forwardCan someone explain the answer to this ptoblem and why binding would not activate the enzyme?arrow_forwardCellular respiration connects the degradation of glucose to the formation of ATP, NADH and FADH2 in a series of 24 enzymatic reactions. Describe the major benefit of breaking down glucose over so many individual steps and describe the main role of NADH and FADH2arrow_forward
- The researchers did not study the effects of NADH, ADP and ATP on the enzyme. Given what you know of their roles in GAPDH, classify each as an activator or an inhibitor of the enzyme. What overall consideration having to do with how glycolysis is regulated allowed you to make these inferences, without having any data? Would ADP, a reactant of the phosphorylating pathway, tend to inhibit the competing non-phosphorylating pathway in order to get more ATP made? And the opposite for ATP whose presence indicates that pathway may not be needed any more?arrow_forwardDiscuss the logic of the nature of the allosteric inhibitors and activators of glycolysis. Why would these molecules be used?arrow_forwardDigestion of cellobiose in cows produces two glucose units which is then absorbed into the bloodand distributed into the cells for energy production. One glucose unit is catabolized in the muscle cellwhile the other is in the heart cell, to CO2 and H2O in the cellular respiration process. How many ATPmolecules are released? Please show your detailed computation.arrow_forward
- In hepatocytes, the enzyme glucokinase catalyzes the ATP-coupled phosphorylation of glucose. Glucokinase binds both ATP and glucose, forming a glucose-ATP-enzyme complex. The enzyme then transfers the phosphoryl group directly from ATP to glucose. Select the advantages of phosphoryl group transfer compared to hydrolysis and subsequent phosphorylation? ATP hydrolysis is thermodynamically unfavorable compared to group transfer. Glucokinase increases the transition state energy, favoring glucose phosphorylation. The process takes advantage of the high phosphoryl group transfer potential of ATP. Reaction intermediates do not need to be present in excess. Incorrectarrow_forwardIn glycolysis, the KM value of hexoquinase is 0.04 mM. At physiological conditions, the cellular concentration of glucose is between 4 mM to 15 mM. According with this information, which of the following statements is true (Choose all that are correct) The enzyme has a low affinity for its substrate The enzme is working at its maximum velocity The phosphorilation of glucose is very slow The small value of KM assures that glycolysis will continue even when the concentration of glucose drops below 4 mM. The hexoquinase is saturated with glucosearrow_forwardCalculate the ATP yield when glucose is catabolized completely to six CO2 by a eukaryotic microbe. How does this value compare to the ATP yield observed for a bacterium? Suppose a bacterium used the Entner-Doudoroff pathway to degrade glucose to pyruvate and then completed the catabolism of glucose via the TCA cycle. How would this affect the total maximum ATP yield? Explain your reasoning.arrow_forward
- The following Michaelis-Menten plot shows the response of phosphofructokinase-1 (PFK-1), an enzyme in the glycolytic pathway, to the presence of ATP and AMP. Based on the data below, which of the following statements apply? Select all that apply. No inhibitors (low (ATP)) 1 mM ATP + 0.1 mM AMP 1 mM ATP 1.0 2.0 (Fructose-6-phosphate) mM Fig. : Regulation of PFK activity AMP is an allosteric modifier that enhances the binding of the substrate fructose 6-phosphate а. O b. AMP is an allosteric modifier that reduces the binding of the substrate fructose 6-phosphate ATP is an allosteric modifier that reduces the binding of the substrate fructose 6-phosphate O c. O d. ATP is an allosteric modifier that enhances the binding of the substrate fructose 6-phosphate Phosphofructokinase activityarrow_forwardThe metabolic pathway responsible for clearing lactic acid from our bodies is called the Cori Cycle. It occurs in the liver, and converts lactic acid back into pyruvic acid, and then into glucose. The glucose can then be used for energy metabolism again. However, the Cori Cycle requires a net input of 4 ATP to operate. Based on this information how can you describe the Cori Cycle? [Select any/all that apply.] Cori Cycle is exergonic. Cori Cycle is anabolc. Cori Cycle is catabolic. Cori Cycle is endergonic.arrow_forwardAntagonist binds to the enzyme at a site far away from the receptor site to inhibit the function of an enzyme. Select one: O True O False Glycolysis is a reductive process because glucose is reduced to form pyruvate. Select one: O True O False Hexokinase catalyses an irreversible reaction in glycolysis. Select one: O True O Falsearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Human Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning
Human Physiology: From Cells to Systems (MindTap ...
Biology
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Cengage Learning
The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license