Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 7, Problem 17RQ
The control of which enzyme exerts the most control on glycolysis?
- hexokinase
- phosphofructokinase
- glucose-6-phosphatase
- aldolase
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Which reaction in glycolysis produces ATP as a product?
Group of answer choices
hexokinase
glyceraldehyde-3-phosphate dehydrogenase
pyruvate kinase
aldolase
What type of enzyme is responsible for initiating the process of glycolysis?
Hydrolase.
Dehydrogenase.
Kinase.
Phosphatase.
Phosphorylase.
Which of the following enzyme catalyzes the first step of glycolysis?
Group of answer choices
Hexokinase
Pyruvate kinase
Glucokinase
Phosphofructokinase
Chapter 7 Solutions
Biology 2e
Ch. 7 - Figure 7.11 Dinitrophenol (DNP) is an "uncoupler"...Ch. 7 - Figure 7.12 Cyanide inhibits cytochrome c oxidase,...Ch. 7 - (Figure 7.14) Tremetol, a metabolic poison found...Ch. 7 - The energy currency used by cells is ATP ADP AMP...Ch. 7 - A reducing chemical reaction. reduces the compound...Ch. 7 - During the second half of glycolysis, what occurs?...Ch. 7 - What is removed from pyruvate during its...Ch. 7 - What do the electrons added to NAD+ do? They...Ch. 7 - GTP or ATP is produced during the conversion of...Ch. 7 - How many NADU molecules are produced on each turn...
Ch. 7 - What compound receives elections from NADH? FMN...Ch. 7 - Chemiosmosis involves. the movement of electrons...Ch. 7 - Which of the following fermentation methods can...Ch. 7 - A major connection for sugars in glycolysis is...Ch. 7 - Beta-oxidation is. the breakdown of sugars the...Ch. 7 - The effect of high levels of ADP is to__inv __...Ch. 7 - The control of which enzyme exerts the most...Ch. 7 - Why is it beneficial for cells to use ATP rather...Ch. 7 - Nearly all organisms on Earth carry out some form...Ch. 7 - Because they lose their mitochondria during...Ch. 7 - What is the primary difference between a circular...Ch. 7 - How do the roles of ubiquinone and cytochrome c...Ch. 7 - What accounts for the different number of ATP...Ch. 7 - What is the primary difference between...Ch. 7 - Would you describe metabolic pathways as...Ch. 7 - How does citrate from the citric acid cycle affect...Ch. 7 - Why might negative feedback mechanisms be more...
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- The glucose that enters the glycolysis pathway is split into two molecules of _____. a. ATP b. phosphate c. NADH d. pyruvatearrow_forwardWhich glycolysis reactions are catalyzed by the following enzymes?(a) Pyruvate kinase(b) Glyceraldehyde 3-phosphate dehydrogenase(c) Hexokinase(d) Phosphoglycerate mutase(e) Aldolasearrow_forwardSeveral of the enzymes of glycolysis fall into classes that we will see often in metabolism. What reaction types are catalyzed by each of the following: Kinases Isomerases Aldolases Dehydrogenasesarrow_forward
- Which of the following glycolytic enzymes neither produces nor consumes ATP? A. phosphofructokinaseB. triose phosphate isomeraseC. pyruvate kinaseD. phosphoglycerate kinaseE. hexokinasearrow_forwardWhich of the following statement about ATP formation in Glycolysis is True? a. Four ATP molecules are used in the Glycolysis of one molecule of Glucose b. Three ATP molecules are formed in the Glycolysis of one molecule of Glucose c. Two ATP molecules are used in the Glycolysis of one molecule of Glucose d. Two ATP molecules are formed in the Glycolysis of one molecule of Glucosearrow_forwardThe committed step of glycolysis is catalyzed by which of the follwing enzymes? a. aldolase b. hexokinase c. Phosphofructokinase-1 d. Pyruvate kinasearrow_forward
- Which statement regarding glycolysis is TRUE? Group of answer choices Both substrate-level phosphorylation reactions in glycolysis are irreversible. The oxidation reaction in glycolysis produces two high-energy molecules. There are four isomerization reactions in glycolysis. One inorganic phosphate is consumed as a substrate for each glucose molecule metabolized via glycolysis.arrow_forwardThe term given to the metabolic processes coupling the removal of electrons and protons from NADH/FADH2 to energy (ATP) production in the mitochondria is called _____________________ Group of answer choices glycolysis creatine phosphate shuttle indirect calorimetry oxidative -phosphorylationarrow_forwardWhich of the following enzymes is found in gluconeogenesis but not in glycolysis? a. phosphohexose isomerase b. hexokinase c. fructose 1,6-bisphosphatase d. phosphoglycerate kinasearrow_forward
- Which enzyme is used in gluconeogenesis that bypasses step 1 of Glycolysis in the production of free glucose from Glucose 6-phosphate? Group of answer choices Hexokinase Glucose 6 phosphatase Glucokinase Glucose 1-phosphatasearrow_forwardAfter glycolysis, the steps of aerobic respiration proceed from to to acetyl-CoA formation the citric acid cycle electron transfer phosphorylationarrow_forwardIdentify in which reactions in glycolysis the followingfunctions occur.a. ATP consumptionb. ATP synthesisc. NADH synthesisarrow_forward
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