Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Textbook Question
Chapter 14, Problem 8TY
What do the enzymes pepsin, chymotrypsin, trypsin, and carboxypeptidase have in common?
a. They are secreted and active within the stomach.
b. They are pancreatic enzymes.
c. They are secreted and active within the small intestine.
d. They are enzymes that participate in protein digestion.
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What do the enzymes pepsin, chymotrypsin, trypsin, and carboxypeptidase have in common?a. They are secreted and active within the stomach.b. They are pancreatic enzymes.c. They are secreted and active within the small intestine.d. They are enzymes that participate in protein digestion
Which of the following statements regarding protein digestion is incorrect?
A.
The intestinal enzymes trypsin and chymotrypsin continue the chemical breakdown of polypeptides into oligopeptides.
B.
Chemical digestion of proteins is initiated in the stomach through the action of the enzyme pepsin.
C.
Mechanical digestion of proteins starts in the mouth through chewing.
D.
Di- and tripeptides enter the intestinal cells where they are broken down by peptidases into individual amino acids.
What would be the consequence of eliminating the function of parietal cells in the walls of the stomach?
Select one:
a.
Protein digestion in the small intestine would be eliminated
b.
Pepsinogen secretion would be eliminated
c.
It would decrease bile production
d.
It would eliminate fat digestion in the stomach
e.
Protein digestion in the stomach would be prevented
Chapter 14 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 14 - Do you buy organic foods or conventional foods...Ch. 14 - If you were concerned about the possible harm...Ch. 14 - Describe the organs of the GI tract including the...Ch. 14 - Prob. 2CRCh. 14 - Prob. 3CRCh. 14 - Prob. 4CRCh. 14 - Indicate how many teeth adult humans have.Ch. 14 - Prob. 6CRCh. 14 - Prob. 7CRCh. 14 - Rank the major nutrient groups (carbohydrates,...
Ch. 14 - Prob. 9CRCh. 14 - Prob. 10CRCh. 14 - Which of the GI tract tissue layers is most...Ch. 14 - All of the following are secreted into the lumen...Ch. 14 - All of the following are found in saliva except:...Ch. 14 - Which of the following might be true of an...Ch. 14 -
5. Which of the following nutrients are digested...Ch. 14 - The region of the digestive tract most responsible...Ch. 14 -
7. Which of the following lists structures in...Ch. 14 -
8. What do the enzymes pepsin, chymotrypsin,...Ch. 14 -
9. Once nutrients are absorbed into the...Ch. 14 - Prob. 10TYCh. 14 - Prob. 11TYCh. 14 - Prob. 12TYCh. 14 - Prob. 13TYCh. 14 - Prob. 14TYCh. 14 - Which of the following is associated with celiac...Ch. 14 - Prob. 1AWKCh. 14 - Prob. 2AWKCh. 14 - Prob. 3AWKCh. 14 - Prob. 4AWKCh. 14 - Prob. 5AWKCh. 14 - Prob. 6AWKCh. 14 - Prob. 7AWK
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