ANATOMY & PHYS. CONNECT CARD 540 DAY
4th Edition
ISBN: 9781264510795
Author: McKinley
Publisher: MCG
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Chapter 3.4, Problem 18WDYL
Summary Introduction
To determine:
The four stages of
Concept introduction:
Cellular respiration is the process by which cell is able to break the glucose molecule with the help of enzymes which are biocatalysts. These are
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In some tissues, glucose 6-phosphate is oxidized to pentose phosphates by the pentose
phosphate pathway.
a) Which tissues prefer this pathway and why? Explain in detail.
b) Due to the fact that glucose 6-phosphate is also an intermediate for the glycolysis pathway,
the regulation of glycolysis and pentose phosphate pathway is very important. NADPH plays a
crucial role in partitioning of glucose 6-phosphate between glycolysis and the pentose
phosphate pathway. Explain this role of NADPH in detail.
Which steps of aerobic metabolism of pyruvate through the citric acid cycle are control points?
Which reactions of glycolysis can be reversed? Which are irreversible? What is the significance of the metabolically irreversible reactions?
Chapter 3 Solutions
ANATOMY & PHYS. CONNECT CARD 540 DAY
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. 3.3 - 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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Similar questions
- The intracellular use of glucose and glycogen is tightly regulated at four points. To compare the regulation of glycolysis when oxygen is plentiful and when it is depleted, consider the utilization of glucose and glycogen by rabbit leg muscle in two physiological settings: a resting rabbit and a rabbit that saw its mortal enemy, the coyote, and is dashing to its burrow. For each setting determine the relative levels of the following metabolites: Metabolite Resting.rabbit Dashing rabbit AMP ( Select) [ Select ) ATP ( Select) ( Select ) Citrate [ Select) ( Select ) Acetyl-CoA [ Select } ( Select ) >arrow_forwardConsider oleic acid (18:1∆9): 1. How many NADH will be produced from complete oxidation of this fatty acid? 2. How many FADH2 will be produced from complete oxidation of this fatty acid? 3. Total number of ATP produced from NADH in complete oxidation of oleic acid (exclude transport cost of the fatty acid)? 4. Total number of ATP produced from FADH2 in complete oxidation of oleic acid (exclude transport costs of the fatty acid)? Please provide how you got them.arrow_forwardWhat is the process that sustains the redox balance of glycolysis under aerobic conditions?arrow_forward
- How does an increase in the ADP/ATP ratioaffect the activity of isocitrate dehydrogenase?arrow_forwardExplain in detail of the process of cellular respiration, including all the stages of cellular respiration (glycolysis, pyruvate oxidation, citric acid cycle, and oxidative phosphorylation) and explain the substrate and product of each pathway. And make a table of the products formed at the end of glycolysis, pyruvate oxidation, citric acid cycle, and oxidative phosphorylation (ATPs, NADHs, water, and carbon dioxide). Then discuss about oxidation-reduction of various molecules that are a part of these pathways.arrow_forwardIndicate whether the following statements are true or false:- a) The pentose phosphate pathway of glucose oxidation can lead to the release of energy. b) NAD + is a coenzyme of transketolase.arrow_forward
- What are the final products of the citric acid cycle (including the transitional phase) for the breakdown of 1 glucose molecule?arrow_forwardWhat step in the citric acid cycle in inhibited by fluorocitrate?arrow_forwardWith the aid of diagrams and equations, explain the biochemical processes involved in each of the following, in named cells. Start by mentioning the purpose and site of securrence of each. Go in details please. (a) Glucose-alanine cycle. (b) Oxidative phosphorylation.arrow_forward
- Only the one question displayed is neededarrow_forwardOf the 36 molecules of ATP produced by the complete metabolism of glucose, how many are produced directly in glycolysis alone, that is, before the common pathway?arrow_forwardAlthough both hexokinase and phosphofructokinase catalyze irreversible steps in glycolysis and the hexokinase-catalyzed step is first, phosphofructokinase is nonetheless the pacemaker of glycolysis. What does this information tell you about the fate of the glucose 6-phosphate formed by hexokinase? Glucose 6-phosphate must be unstable and release its phosphoryl group over time. Glucose 6-phosphate must be utilized by other metabolic pathways. Glucose 6-phosphate must allosterically inhibit phosphofructokinase, but not hexokinase. Glucose 6-phosphate must be wasted when it is produced in excess.arrow_forward
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