EBK BIOLOGY
4th Edition
ISBN: 8220102797376
Author: BROOKER
Publisher: YUZU
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Textbook Question
Chapter 45, Problem 8TY
In birds, the secretion of acid and pepsinogen occurs in the
- a. crop.
- b. gizzard.
- c. proventriculus.
- d. cloaca.
- e. gallbladder.
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Which of the following is True?a. The human stomach maintains a very high pH.b. Gastric glands in the stomach wall secrete pepsinogen. c. Bile is released into the stomach from the liver.d. Many different nutrients are absorbed through the stomach.
One-way passage of food through the digestive system of many animal groups allowsa. intracellular digestion.b. specialization of different regions of the digestive system.c. release of digestive enzymes into the gut.d. extracellular digestion.
Which of the following is FALSE?
A. Bile is a fat molecule-busting enzyme
B. Vitamins are organic compounds.
C. Most plants have a different composition of amino acids compared to animals.
D. Water reabsorption is one of the main functions of the large intestines.
Chapter 45 Solutions
EBK BIOLOGY
Ch. 45.3 - Smooth, polished stones have been found in the...Ch. 45.3 - Prob. 2CCCh. 45.4 - Prob. 1CCCh. 45.4 - Prob. 1BCCh. 45.5 - Prob. 1BCCh. 45.6 - Prob. 1EQCh. 45.6 - CoreSKILL Did the results support the hypothesis?...Ch. 45.6 - Prob. 3EQCh. 45 - Prob. 1TYCh. 45 - Prob. 2TY
Ch. 45 - Prob. 3TYCh. 45 - Which of the following statements is true? a....Ch. 45 - Prob. 5TYCh. 45 - Which of the following statements regarding the...Ch. 45 - Prob. 7TYCh. 45 - In birds, the secretion of acid and pepsinogen...Ch. 45 - In many vertebrates, bile is produced by the...Ch. 45 - Prob. 10TYCh. 45 - Prob. 1CQCh. 45 - Prob. 2CQCh. 45 - Core Concept: Structure and Function Describe the...Ch. 45 - Prob. 1COQCh. 45 - Define nutrient. On the basis of that definition,...
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- This process ensures that all contents of the small intestine come in contact with villi. A. Propulsion B. Peristalsis C. Segmentation D. Digestionarrow_forwardWhich of the following statements is untrue? a. Roughage takes a long time to digest. b. Birds eat large quantities at one time so that they can fly long distances. c. Cows do not have upper teeth. d. In pseudo-ruminants, roughage is digested in the cecum.arrow_forwardWhich of the following statements is true?a. Intracellular digestion commonly occurs in vertebrates.b. Absorption of nutrients always requires active transport.c. Alimentary canals have two openings, whereas gastrovascularcavities have only one.d. Extracellular, but not intracellular, digestion requires hydrolyticenzymes.e. Most minerals are absorbed by simple diffusion.arrow_forward
- Which of the following is true about segmentation in the small intestine?a. It is a type of peristalsis.b. It moves chyme only from the duodenum to the ileum.c. Its frequency is the same in each intestinal segment.d. It is unaffected by cephalic phase stimuli.e. It produces a slow migration of chyme to the large intestine.arrow_forwardIntestinal microorganisms aid digestion and absorption by a. digesting cellulose. b. producing glucose. c. synthesizing vitamin K. d. Both a and c are correct.arrow_forwardWhich of the following might occur if a person suffers from a severecase of hepatitis that impairs liver function?a. Lipid digestion is difficult.b. By-products of hemoglobin breakdown accumulate in the blood.c. Plasma proteins decrease in concentration.d. Toxins in the blood increase.e. All of these occur.arrow_forward
- All of the following are layers of the vertebrate gastrointestinal tract excepta. the peristalsis.b. the submucosa.c. the mucosa.d. the muscularisarrow_forwardThe hormones insulin and glucagon help regulate blood glucose levels and are secreted by thea. gallbladder.b. ileum.c. islets of Langerhans.d. parietal cells.arrow_forwardHow is chyme moved from the stomach to the duodenum?a. Each peristaltic wave in the stomach results in some movement of chyme to the duodenum.b. It moves in response to a negative-feedback mechanism.c. Movement is possible when the pyloric valve opens.d. Movement is possible when the cardiac sphincter opens.e. Chyme moves to the duodenum as soon as it reaches a pH greater than 2.arrow_forward
- It is occasionally necessary for a person to have their gallbladder surgically removed. How will such a person's digestive process be altered? A. Pepsinogen would not be converted into pepsin before entering the lumen of the stomach. B. The person would be unable to digest fats. C. Mucus would not protect the stomach lining. D. Water would not be extracted from forming feces. E. Bile would go directly from the liver to the duodenum.arrow_forwardWhich of the following is a zymogen produced in the pancreas: b. procarboxypeptidase C. a. pepsinogen pepsin d. (a, b, c) e. (a, b) a b C darrow_forwardWhich of the following is true? a. The internal anal sphincter is made out of skeletal muscle. b. The defecation reflex can be affected by input from the cerebral cortex. c. Defecation is a complex function that requires coordinated involvement from the gastrointestinal and respiratory system. d. Abdominal muscle contraction decreases intra-abdominal pressure and expel feces more rapidly. e. All of the choices.arrow_forward
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