Introduction to General, Organic and Biochemistry
11th Edition
ISBN: 9781285869759
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Textbook Question
Chapter 30, Problem 30.14P
Humans cannot digest wood; termites do so with
the aid of bacteria in their digestive tract. Is there a basic difference in the digestive enzymes present in humans and termites?
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Find an example of an enzyme.
a) What is the chemical reaction that is catalyzed by the enzyme?
b) Why is this enzyme/chemical reaction important to the organisms in which it occurs?
Enzymes function most efficiently at the temperature of a typical cell, which is 37 degrees Celsius. Increases or decreases in temperature can significantly lower the reaction rate. What does this suggest about the importance of temperature-regulating mechanisms in organisms? How does this translate to the development of enzyme assays for clinical laboratory testing equipment? Explain.
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Inhibitors affect the ability of enzymes to function.
Enzymes decompose during the reaction that they catalyze.
The typical biochemical reaction occurs more than one million times faster in the presence of an enzyme wF
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The catalytic function of enzymes is dependent on their three-dimensional structures
Chapter 30 Solutions
Introduction to General, Organic and Biochemistry
Ch. 30 - Are nutrient requirements uniform for everyone?Ch. 30 - Is banana flavoring, isopentyl acetate, a...Ch. 30 - If sodium benzoate, a food preservative, is...Ch. 30 - Prob. 30.4PCh. 30 - Prob. 30.5PCh. 30 - Prob. 30.6PCh. 30 - Prob. 30.7PCh. 30 - Can a chemical that, in essence, goes through the...Ch. 30 - Prob. 30.9PCh. 30 - Prob. 30.10P
Ch. 30 - Prob. 30.11PCh. 30 - Prob. 30.12PCh. 30 - Prob. 30.13PCh. 30 - Humans cannot digest wood; termites do so with the...Ch. 30 - Prob. 30.15PCh. 30 - Prob. 30.16PCh. 30 - Prob. 30.17PCh. 30 - Which nutrient provides energy in its most...Ch. 30 - Prob. 30.19PCh. 30 - Prob. 30.20PCh. 30 - Prob. 30.21PCh. 30 - Prob. 30.22PCh. 30 - Is it possible to get a sufficient supply of...Ch. 30 - Prob. 30.24PCh. 30 - Prob. 30.25PCh. 30 - 30-26 Which one will be digested faster: (a) a raw...Ch. 30 - Prob. 30.27PCh. 30 - Prob. 30.28PCh. 30 - Prob. 30.29PCh. 30 - Prob. 30.30PCh. 30 - Prob. 30.31PCh. 30 - Prob. 30.32PCh. 30 - Prob. 30.33PCh. 30 - Prob. 30.34PCh. 30 - Prob. 30.35PCh. 30 - Prob. 30.36PCh. 30 - What are the nonspecific effects of vitamin E, C,...Ch. 30 - Prob. 30.38PCh. 30 - Prob. 30.39PCh. 30 - Prob. 30.40PCh. 30 - Prob. 30.41PCh. 30 - Why would many athletes believe that taking large...Ch. 30 - Prob. 30.43PCh. 30 - (Chemical Connections 30A) What is a...Ch. 30 - Prob. 30.45PCh. 30 - Prob. 30.46PCh. 30 - Prob. 30.47PCh. 30 - Prob. 30.48PCh. 30 - Prob. 30.49PCh. 30 - Prob. 30.50PCh. 30 - Prob. 30.51PCh. 30 - Prob. 30.52PCh. 30 - Prob. 30.53PCh. 30 - Prob. 30.54PCh. 30 - Prob. 30.55PCh. 30 - Prob. 30.56PCh. 30 - Prob. 30.57PCh. 30 - Prob. 30.58PCh. 30 - Prob. 30.59PCh. 30 - Prob. 30.60PCh. 30 - Prob. 30.61PCh. 30 - Prob. 30.62PCh. 30 - Prob. 30.63PCh. 30 - Prob. 30.64PCh. 30 - Prob. 30.65PCh. 30 - Prob. 30.66PCh. 30 - Prob. 30.67PCh. 30 - Prob. 30.68PCh. 30 - Prob. 30.69PCh. 30 - Prob. 30.70PCh. 30 - Prob. 30.71PCh. 30 - Prob. 30.72PCh. 30 - Prob. 30.73PCh. 30 - Prob. 30.74PCh. 30 - Prob. 30.75PCh. 30 - Prob. 30.76PCh. 30 - Why is it necessary to have protein in our diets?Ch. 30 - Prob. 30.78PCh. 30 - Prob. 30.79PCh. 30 - Prob. 30.80PCh. 30 - Prob. 30.81PCh. 30 - Prob. 30.82PCh. 30 - Egg yolk contains a lot of lecithin (a...Ch. 30 - Prob. 30.84PCh. 30 - Prob. 30.85PCh. 30 - Prob. 30.86P
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- What is the general role of enzymes in the human body?arrow_forwardWhy are enzymes that are used for laboratory or clinical work stored in refrigerators?arrow_forwardDescribe the difference between graphs showing temperature versus reaction rate for an enzyme-catalyzed reaction and an uncatalyzed reaction.arrow_forward
- Which of the following is not a characteristic of enzymes? a. They are macromolecules. b. They act on substances. c. They are phospholipids. d. They initiate and decelerate chemical reactions. e. They act as catalysts.arrow_forwardWhich statement does NOT apply to the lock-and-key theory? O explains the functioning of enzymes explains the need for a specific three dimensional structure found in proteins explains the reason why a particular enzyme is involved with one substrate explains why a substrate-enzyme complex is so difficult to separatearrow_forwardWhy do most living organisms have an enzyme to decompose hydrogen peroxide?arrow_forward
- 4) In the lab you are extracting and enzyme called catalase from a potato and want to use this enzyme to speed up a reaction in the lab. The potato usually grows in soil pH of 5.5 and a temperature of 18 °C. You extract the enzyme and run a reaction with it in the following conditions. pH 9.5 and temperature = 20 °C. What can be said about the enzymes activity? If activity is low how would you correct this issue? Please explain in detail and in your own words.arrow_forwardThe enzyme urease catalyzes the breakdown of urea in the body. Urease breaks urea down to 2NH3 + CO2. This is an example of a hydrolysis reaction (urea plus water For each equivalent of carbon dioxide (CO2), two equivalents of ammonia (NH3) are produced. Label the enzyme, substrate, enzyme-substrate complex, enzyme-product complex, and product in the enzymatic reaction for the breakdown of urea by urease using the induced-fit model. Drag the appropriate labels to their respective targets. ► View Available Hint(s) Urease – 2NH3 + CO2 Urea - 2NH3 + CO2 Urease - Urea 2NH3 + CO2 Urease Urea cj Complex Pearson 1. + Complex Reset Helparrow_forwardPlease explain why this anwser was wrong for question 1 and what the errors made were. If possible also please explain how you can get the correct anwser for this problem.arrow_forward
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