Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 7, Problem 25CTQ
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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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- Which out of the following statements is true about the regulation of metabolic pathway? a) Most of the metabolic pathways are regulated b) Most of the metabolic pathways are not regulated c) Regulation of metabolic pathways always involves changing the amount of enzymes d) Metabolic regulation always depends on control by hormonesarrow_forwardThe figure above represents changes in different types of metabolic pathways (y-axis) as energy charge in a cell (x-axis) changes. What is the best description of the types of reactions shown by the green line labeled "A"? a) Catabolic, energy-consuming pathways b) Anabolic, energy-consuming pathways c) Anabolic, energy-producing pathways d) Catabolic, energy-producing pathwaysarrow_forwardHow different metabolic pathways are related to each other?arrow_forward
- Which metabolic reaction is convergent? Why?arrow_forwardWhat is the difference between a linear and a cyclic metabolic pathway?arrow_forwardWhich of the following is NOT true about metabolic pathways in general? They can be anabolic or catabolic They can be both energy-releasing (exergonic) and energy-requiring (endergonic) They are often made up of a series of chemical reactions They often have multiple different enzymes working in the same pathway Each metabolic pathway is entirely separate and does not interact or connect at all with other metabolic pathwaysarrow_forward
- Metabolic pathways can function efficiently without external control, and will not overproduce unnecessary product molecules because: a) Large pH shifts speed up reactions b) Cells release lots of heat to accelerate product formation c) End products of a pathway cause early enzymes to change shape and inactivate d) Active sites become saturated as product concentration risesarrow_forwardWhich of the following are common to all metabolic pathways? a) Citric acid cycle b) Oxidative phosphorylation c) Electron transport chain d) All of the abovearrow_forwardThere are many metabolic pathways in a biological system, and it is critical to regulate these pathways so that only particular pathways are active at a single time. Which enzyme would be in the regulation point in the hypothetical pathway shown below. A¹B 2C 3 D4E A) A → B B) B-C C) C-D D) D→ E E) The regulation point is highly dependent upon the metabolic pathway.arrow_forward
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