Short questions 3.The figure below represents a pathway of cellular respiration.glucoseАТРhexose phosphatehexose bisphosphate2x triose phosphate2х Е2 x 2 ATP2x reduced E2 x F(a)Name the pathway represented by the figure above.(b) Identify the molecules D, E and F.(c) Explain why this pathway isdescribed as oxidative.

In the given pathway, glucose or hexose, or carbohydrate are phosphorylated into hexose…

Answered: 3. The figure below represents a…

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter7: Cellular Respiration: Harvesting Chemical Energy

Section: Chapter Questions

Problem 2TYK

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The Krebs cycle converts ________ through a cycle of reactions. In the process, ATP, ________, and ________ are produced. acetyl CoA; FAD, NAD acetyl CoA; FADH2; NADH pyruvate; NAD; FADH2 pyruvate; oxygen; oxaloacetate
When glucose reacts with ATP to form glucose-6-phosphate: a. the synthesis of glucose-6-phosphate is exergonic. b. ADP is at a higher energy level than ATP. c. glucose-6-phosphate is at a higher energy level than glucose. d. because ATP donates a phosphate to glucose, this is not a coupled reaction. e. the reaction is spontaneous.
Figure 27.3 illustrates the response of R (ATP-regenerating) and U (ATP-utilizing) enzymes to energy charge. a. Would hexokinase be an R enzyme or a U enzyme? Would glutamine: PRPP amidotransferase, the second enzyme in purine biosynthesis, be an R enzyme or a U enzyme? b. If energy charge = 0.5: Is the activity of hexokinase high or low? Is ribose-5-P pyrophosphokinase activity high or low? c. If energy charge = 0.95: Is the activity of hexokinase high or low? Is ribose-5-P pyrophosphokinase activity high or low?
Which of the following reaction pathways is not part of the second stage of aerobic respiration? a. electron transfer phosphorylation b. acetyl-CoA formation c. Krebs cycle d. glycolysis e. a and d
The reactions of _____ take place within the cytosol of eukaryotic cells. (a) glycolysis (b) oxidation of pyruvate (c) the citric acid cycle (d) chemiosmosis (e) the electron transport chain
1. For each of the products, identify the phase of aerobic respiration where these molecules will enter the process. a. glycerol b. fatty acids c. amino acids 2. predict the number of ATP molecules that could be produced from one glucose molecule if oxygen was not available.
1. The enzyme that catalyzes the transformation of C2H2 + H2 to C2H4 is likely to be classified as2. The enzyme that catalyzes the conversion of glucose + ATP to glucose-6-phosphate + ADP is likely to be classified asa. Isomeraseb. Ligasec. Transferased. Lyasee. Hydrolasef. Oxidoreductase
1. What steps in citric acid cycle have each of the following characteristics? a. The reaction generates FADH2. b. The organic substrate is oxidized. c. The reaction utilizes NAD+ d. The reaction breaks the carbon-carbon bond.
2. One manifestation of cytochrome oxidase deficiency in humans is severe muscle weakness. Briefly explain why. 3. Clostridium bacteria are killed in the presence of molecular oxygen. Would you expect Clostridium to produce catalase? Briefly explain.
1. A cell in an active catabolic steady state state needs to maintain A. a high cytosolic (ATP/ADP) and a high cytosolic (NADH/NAD+) ratio. B. a high cytosolic (ATP/ADP) and a low cytosolic (NADH/NAD+) ratio. C. a low cytosolic (ATP/ADP) and a low cytosolic (NADH/NAD+) ratio. D. a low cytosolic (ATP/ADP) and a high cytosolic (NADH/NAD+) ratio.
1. Imagine you are trying to explain the process of cellular respiration to your friend who is also taking LS7A. You show them the figure below. Provide an explanation for what this figure represents. Be sure to define the terms electron carriers, substrate-level phosphorylation, oxidative phosphorylation, and any other terms in the diagram you think your friend would not already know.2. What happens to glucose during the process of glycolysis? Try to relate your explanation to the graph shown below
1 what is the net reaction of glycolysis? 2 Starting with glucose ( in the open - chain fischer projection), draw out the molecular structures for each step og glycolysis. for each step, include the name of the enzyme that catalyzes the reaction.

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3. The figure below represents a pathway of cellular respiration. glucose АТР hexose phosphate D. hexose bisphosphate 2x triose phosphate 2х E 2 x 2 ATP