Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 4, Problem 24RA
Use the graph here and in figure 4.4 to answer the following questions:
What two pH values produce half-maximal activity of salivary amylase?
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Chapter 4 Solutions
Human Physiology
Ch. 4 - Use the lock-and-key model to explain how enzymes...Ch. 4 - Explain how enzymes are named, and the nature of...Ch. 4 - Draw graphs to represent the effects of changes in...Ch. 4 - Prob. 4CPCh. 4 - Prob. 5aCPCh. 4 - Prob. 5bCPCh. 4 - Prob. 5cCPCh. 4 - Prob. 6aCPCh. 4 - Define the terms exergonic reaction and endergonic...Ch. 4 - Prob. 7aCP
Ch. 4 - Prob. 7bCPCh. 4 - Which of these statements about enzymes is...Ch. 4 - Which of these statements about enzyme-catalyzed...Ch. 4 - Which of these statements about lactate...Ch. 4 - In a metabolic pathway, a. the product of one...Ch. 4 - In an inborn error of metabolism,
a. a genetic...Ch. 4 - Which of these represents an endergonic...Ch. 4 - Which of these statements about ATP is true? a....Ch. 4 - When oxygen is combined with 2 hydrogens to make...Ch. 4 - Enzymes increase the rate of chemical reactions...Ch. 4 - According to the law of mass action, which of...Ch. 4 - Explain the relationship between an enzyme's...Ch. 4 - Explain how the rate of enzymatic reactions may be...Ch. 4 - Explain how end-product inhibition represents a...Ch. 4 - Prob. 14RACh. 4 - The coenzymes NAD and FAD can "shuttle" hydrogens...Ch. 4 - Prob. 16RACh. 4 - Why do we need to eat food containing niacin and...Ch. 4 - Metabolic pathways can be likened to intersecting...Ch. 4 - Prob. 19RACh. 4 - Suppose you come across a bottle of enzyme tablets...Ch. 4 - Describe the energy transformations that occur...Ch. 4 - Use the reversible reactions involving the...Ch. 4 - Use the graph here and in figure 4.4 to answer the...Ch. 4 - Use the graph here and in figure 4.4 to answer the...Ch. 4 - Prob. 25RACh. 4 - Prob. 26RACh. 4 - Prob. 27RA
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- Which products of fat hydrolysis would cause a change in pH of the whole milk sample? Why does a person with a low production of stomach HCl have difficulty with protein digestion? Write the equation for the action of Pancreatin (lipase) on a molecule of Tristearin.arrow_forwardWhat can you conclude about the regulation of ketone body production and use given that 10–20% of the ketonebodies produced are excreted without being metabolized?arrow_forwardIndividuals suffering from ketoacidosis have acidic urine. What effect do you expect ketones to have on pH? Why is pH lowered when ketone bodies are present?arrow_forward
- Write the equation for the action of Pancreatin (lipase) on a molecule of Tristearin.arrow_forwardWould altering the unsaturated:saturated fatty acid ratio in tissues be easier to accomplish in ruminants or non-ruminants? Explainarrow_forwardWhat is the effect of insulin on the committed step of glycolysis in the liver? Describe the mechanism by which insulin can affect the activity of this enzyme in the liver?arrow_forward
- Write a balanced equation for the neutralization of stomach acid by NahCO3 .arrow_forwardGive a reason why ketone bodies are excreted by the body via the kidneys as urinearrow_forwardIllustrate the oxidative deamination of the amino acid glutamic acid and the transamination of the amino acid alanine?arrow_forward
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