Anatomy & Physiology: An Integrative Approach
2nd Edition
ISBN: 9780078024283
Author: Michael McKinley Dr., Valerie O'Loughlin, Theresa Bidle
Publisher: McGraw-Hill Education
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Chapter 3, Problem 6DYKB
Summary Introduction
Introduction:
Respiration is the process of taking in of oxygen and exhaling out of carbon dioxide. It also involves the breakdown of glucose and thereby releases energy by the oxidation of food. It takes place by the series of the cycle. The three steps are glycolysis, intermediate cycle, citric acid cycle, and electron transport cycle.
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Your friend is researching cellular respiration in eukaryotes. When you visit their lab, you recognize that they are specifically looking in the cytosol. Which process of cellular respiration is your friend likely focusing their research on?
a.
Glycolysis
b.
Pyruvate oxidation
c.
Chemiosmosis
d.
Citric acid cycle
The committed step of glycolysis is catalyzed by which of the follwing enzymes?
a. aldolase
b. hexokinase
c. Phosphofructokinase-1
d. Pyruvate kinase
How will the cell shift its metabolic processes in response to the level of pyruvate and in order to produce ATP?
A. It will shift from aerobic respiration to fermentation
B. It will shift from aerobic respiration to anaerobic respiration
C.It will continue with aerobic metabolism using oxygen in the cytosol to make ATP
D. It will shift from anaerobic respiration to fermentation
Chapter 3 Solutions
Anatomy & Physiology: An Integrative Approach
Ch. 3.1 - Both the movement of Na+ down its concentration...Ch. 3.1 - Muscle contraction is an example of what form of...Ch. 3.1 - Prob. 3WDYLCh. 3.2 - Prob. 4WDYLCh. 3.2 - For a biochemical reaction that involves simple...Ch. 3.2 - What molecule is formed from exergonic reactions...Ch. 3.2 - Explain what occurs when the equilibrium is...Ch. 3.2 - Explain the effect a fever would have on chemical...Ch. 3.2 - What is the relationship of enzymes and activation...Ch. 3.3 - What is the active site of an enzyme and how does...
Ch. 3.3 - What is the mechanism of enzyme action, including...Ch. 3.3 - Explain how enzymes are generally named.Ch. 3.3 - How do changes in substrate concentration,...Ch. 3.3 - How are enzymes regulated through competitive and...Ch. 3.3 - Prob. 15WDYLCh. 3.3 - Prob. 16WDYLCh. 3.4 - Prob. 17WDYLCh. 3.4 - Prob. 18WDYLCh. 3.4 - Prob. 19WDYLCh. 3.4 - Prob. 20WDYLCh. 3.4 - Prob. 21WDYLCh. 3.4 - Prob. 22WDYLCh. 3.4 - Prob. 23WDYLCh. 3.4 - Prob. 24WDYLCh. 3.4 - Prob. 25WDYLCh. 3.4 - Prob. 26WDYLCh. 3.4 - Prob. 27WDYLCh. 3.4 - Prob. 28WDYLCh. 3 - Energy in ATP is used to power skeletal muscle...Ch. 3 - Prob. 2DYKBCh. 3 - Prob. 3DYKBCh. 3 - ATP inhibits phosphofructokinase by binding to an...Ch. 3 - All of the following are accurate about enzymes...Ch. 3 - Prob. 6DYKBCh. 3 - Prob. 7DYKBCh. 3 - All stages of cellular respiration are decreased...Ch. 3 - Prob. 9DYKBCh. 3 - Prob. 10DYKBCh. 3 - Prob. 11DYKBCh. 3 - Describe the different ways of classifying...Ch. 3 - Prob. 13DYKBCh. 3 - Describe the structure and mechanism of enzymes.Ch. 3 - Prob. 15DYKBCh. 3 - Prob. 16DYKBCh. 3 - In general terms, explain the fate of pyruvate if...Ch. 3 - Describe how oxygen becomes part of water during...Ch. 3 - Identify the source of carbon in carbon dioxide.Ch. 3 - Prob. 20DYKBCh. 3 - Prob. 1CALCh. 3 - Prob. 2CALCh. 3 - Another challenge to a patient with impaired...Ch. 3 - Prob. 4CALCh. 3 - Prob. 5CALCh. 3 - Prob. 1CSLCh. 3 - Prob. 2CSLCh. 3 - What occurs to the amount of product formed in a...
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- Which molecule does not form during glycolysis? a. NADH c. oxygen (O2) b. pyruvate d. ATParrow_forwardWhat must pyruvate be converted to before it can enter the citric acid cycle? A. NADH B. lactic acid C. ethyl alcohol D. acetyl COAarrow_forwardFor item 21 choose only one correct answer.arrow_forward
- If the C-1 carbon of glucose is labeled with 14C, which C atom in the pyruvate is the labeled carbon at the end of glycolysis? A. Carbonyl carbon B. Carboxylate carbon C. Methyl carbon D. Nonearrow_forwardwhich of the following is true about glycolysis? A. occurs in mitochondria B. complete breakdown of glucose C. conversion of glucose to 3 carbon units D. 3 ATP are utilised in anaerobic pathwayarrow_forwardWhich of the following enzymes is NOT operating during glycogenolysis? a. glycogen phosphatase b. glycogen phosphorylase c. glycogen debranching enzyme d. phosphoglucomutasearrow_forward
- Which intermediates of glycolysis are used to generate ATP by substrate-level phosphorylation? a. Fructose-1,6-bisphosphate b. Glyceraldehyde-3-phosphate c. 1,3-Bisphosphoglycerate d. 2-Phosphoglycerate e. Phosphoenolpyruvatearrow_forwardWhich of the following statements is/are FALSE about glycolysis? A. It is an anaerobic process. B. Some steps occur in cytosol, others in mitochondria. C. It is the conversion of glucose to lactate or ethanol. D. It is the 1st stage of glucose metabolism.arrow_forwardWhich of the following metabolic pathways is common in aerobic and anaerobic metabolism. a. the citric acid cycle b.glycolysis c.electron transport chain d. oxidative phosphorylationarrow_forward
- Which of the following steps occurs during the payoff phase of glycolysis? A. the conversion of phosphoenolpyruvate to pyruvate B. the conversion of fructose 6-phosphate to fructose 1,6-biphosphate C. the conversion of glucose 6-phosphate to fructose 6-phosphate D. the conversion of glucose to glucose 6-phosphatearrow_forwardWhich of the following number of products from the Krebs Cycle is a manifestation of 4 pyruvate molecules generated from glycolysis? A. 2 ATP, 6 NADH, 2 FADH₂ B. 3 ATP, 9 NADH, 3 FADH₂ C. 4 ATP, 4 NADH, 4 FADH₂ D. 4 ATP, 12 NADH, 4 FADH₂arrow_forwardWhich of the following statements is true? A. The citric acid cycle occurs in the mitochondria matrix B. The citric acid cycle occurs in the cytosol C. Electron transport chain and ATP synthase are in the cytosol D. Oxidative phosphorylation occurs in the mitochondria matrixarrow_forward
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