Bio 121 Campbell Biology Truman College
17th Edition
ISBN: 9781323670637
Author: Urry, Cain
Publisher: PEARSON
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Chapter 50.6, Problem 2CC
MAKE CONNECTIONS. Ø Peristalsis contributes to the locomotion of many annelids and to the movement of food in the digestive tract (see Concept 41.3). Using the muscles of your hand and a toothpaste tube as a model of peristalsis, how would your demonstration differ for the two processes?
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Work 2. The role of bile in digestion. Hepatic circulation of bile acids.
Bile contains salts of bile acids, in
particular, glycocholic and taurocholic.
They reduce the surface tension of water
and thereby contribute to the emulsification
of fats, which facilitates the enzymatic
cleavage of lipids. Further, in the
of digestion, bile acids form micelles with
lipids and their cleavage products, due to
process
Img. 19. Micelle structure
which fats can be absorbed.
Mark in the image:
V Bile salts
V Fatty acids
V Hydrophobic region containing
triacylglycerols and cholesterol
1
Liver
1. The initial substance for the
synthesis of bile acids
2. Reverse absorption area
3
Bile acids
3. Blood vessel
Total amount of bile acids
Bile acids
Reabsorbed
%
Excreted
g / day
Img. 20. The turnover of bile acids
The number of circulations per day
Chapter 50 Solutions
Bio 121 Campbell Biology Truman College
Ch. 50.1 - Which one of the five categories of sensory...Ch. 50.1 - Prob. 2CCCh. 50.1 - Prob. 3CCCh. 50.2 - How are otoliths adaptive for burrowing mammals,...Ch. 50.2 - Prob. 2CCCh. 50.2 - Prob. 3CCCh. 50.2 - Prob. 4CCCh. 50.3 - Contrast the light-detecting organs of planarians...Ch. 50.3 - Prob. 2CCCh. 50.3 - Prob. 3CC
Ch. 50.3 - Prob. 4CCCh. 50.4 - Explain why some taste receptor cells arid all...Ch. 50.4 - Prob. 2CCCh. 50.4 - Prob. 3CCCh. 50.5 - Contrast the role of Ca2+ in the contraction of a...Ch. 50.5 - Prob. 2CCCh. 50.5 - Prob. 3CCCh. 50.6 - Contrast swimming and flying in terms of the main...Ch. 50.6 - MAKE CONNECTIONS. Peristalsis contributes to the...Ch. 50.6 - WHAT IF? When using your arms to lower yourself...Ch. 50 - Sensory receptors transduce stimulus energy and...Ch. 50 - How are music volume and pitch encoded in signals...Ch. 50 - Prob. 50.3CRCh. 50 - Prob. 50.4CRCh. 50 - What are two major functions of ATP hydrolysis in...Ch. 50 - Which of the following sensory receptors is...Ch. 50 - The middle ear converts (A) air pressure waves to...Ch. 50 - Prob. 3TYUCh. 50 - Which sensory distinction is not encoded by a...Ch. 50 - The transduction of sound waves into action...Ch. 50 - Although some sharks close their eyes just before...Ch. 50 - Prob. 7TYUCh. 50 - EVOLUTION CONNECTION In general, locomotion on...Ch. 50 - Prob. 9TYUCh. 50 - WRITE ABOUT A THEME: ORGANIZATION In a short essay...Ch. 50 - SYNTHESIZE YOUR KNOWLEDGE Bloodhounds, which are...
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