<LCPO> BIOLOGY
12th Edition
ISBN: 9781266216398
Author: Raven
Publisher: MCG CUSTOM
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Chapter 46, Problem 3IQ
Summary Introduction
To determine: The mechanism by which the
Introduction: Several types of enzymes and hormones regulate the activity of the digestive system. The movement or motility of the digestive system is under involuntary control. The movement of the gastrointestinal tract is a complex process that involves the coordination between the smooth muscle cells, neurons, and interstitial cells. Gastric motility is a result of the action of neural and hormonal signals.
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Work 5. Phases of gastric secretion
Table 11.
Regulation of gastric secretion:
PHASE
NAME OF THE
SECRETION OF THE
REGULATORY MECHANISMS
PHASE
STOMACH INCREASES
OR DECREASES
I
II
III
Work 6. Sequence of digestive processes
Proteins are cleaved to oligopeptides by enzymes
of
_(cavitary or parietal) digestion, are absorbed in the form of
using the mechanism of joint
transport (symport) with
Polysaccharides are cleaved to disaccharides by enzymes
digestion, to monosaccharides by enzymes
digestion, are absorbed in the form of
of
of
using the
mechanism
are absorbed in the form of
In the enterocyte there is
, the complex with proteins (apoproteins) is
Lipids are cleaved by enzyme
formed, called
which gets into
bloodstream.
3
Indicate in the scheme:
Amino acids
> the area of cavitary digestion,
> the area of parietal digestion,
> the area of intracellular digestion,
> transport systems of enterocytes,
> the area of lipid resynthesis.
Protein
Peptide
Enterocyte
Disaccharides
Monosaccharides…
Help, please
ORAL CAVITY AND PHARYNX
1. a) The opening for food into the oral cavity is the
b) The superior boundary of the oral cavity is the
2. Both the teeth and the tongue contribute to
digestion in the oral cavity by what we call
3. a) An individual develops two sets of teeth. The first set is called the
teeth and, if
complete, consists of
(number) teeth.
b) The second set is called the
(number) teeth.
teeth and, if complete, consists of
Chapter 46 Solutions
<LCPO> BIOLOGY
Ch. 46.1 - Prob. 1LOCh. 46.1 - Prob. 2LOCh. 46.1 - Prob. 3LOCh. 46.2 - Prob. 1LOCh. 46.2 - Prob. 2LOCh. 46.3 - Prob. 1LOCh. 46.3 - Prob. 2LOCh. 46.4 - Prob. 1LOCh. 46.4 - Explain how absorbed nutrients move into the blood...Ch. 46.5 - Prob. 1LO
Ch. 46.5 - Prob. 2LOCh. 46.5 - Prob. 3LOCh. 46.6 - Prob. 1LOCh. 46.6 - Prob. 2LOCh. 46.7 - Prob. 1LOCh. 46.7 - Prob. 2LOCh. 46.7 - Prob. 3LOCh. 46.8 - Prob. 1LOCh. 46.8 - Describe how rumination works.Ch. 46.8 - Prob. 3LOCh. 46 - Prob. 1DACh. 46 - If you constructed a phylogeny using molecular...Ch. 46 - Prob. 1IQCh. 46 - Prob. 2IQCh. 46 - Prob. 3IQCh. 46 - Prob. 4IQCh. 46 - How is the digestion of fats different from that...Ch. 46 - Although the stomach is normally thought of as the...Ch. 46 - After being absorbed through the intestinal...Ch. 46 - Which of these pairings is incorrect? a. Fat...Ch. 46 - Intestinal microorganisms aid digestion and...Ch. 46 - Prob. 6UCh. 46 - Which of the following represents the action of...Ch. 46 - Prob. 1ACh. 46 - The primary function of the large intestine is to...Ch. 46 - Inactive forms of some molecules are secreted a....Ch. 46 - Prob. 4ACh. 46 - Many birds possess crops, although few mammals do....Ch. 46 - Suppose that you wanted to develop a new treatment...Ch. 46 - How could a drop in plasma proteins and a decrease...Ch. 46 - Unlike many cases of convergence (see section...Ch. 46 - Prob. 5S
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