Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 41.3, Problem 3CC
Summary Introduction
To predict: The changes after mixing gastric juice and crushed food in a test tube.
Concept introduction:
Gastric juice is also called as gastric acid or stomach acid, and it contains hydrochloric acid, potassium chloride, and sodium chloride.
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Old People
e = 100 calories
λ = 10 per night
h = 2 hours
Middle Aged People
e = 400 calories
λ = 20 per night
h = 5 hours
Young Adults
e = 300 calories
λ = 10 per night
h = 2.5 hours
Suppose that the organism need 1000 calories per night.
- Which food item should the organism prefer, and which ones would you expect them to eat on a regular basis? Explain why and show calculations.
- Explain marginal value theorem, and how it might relate to an organisms foraging decisions.
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Q4: select the best one that apply
© Macmillan Learning
A outside
→ Ainside, is 10.9 kJ/mol at 25°C.
Consider a uniport system where a carrier protein transports an uncharged substance A across a cell membrane. Suppose that at
a certain ratio of [A] inside to [A] outside, the AG for the transport of substance A from outside the cell to the inside,
What is the ratio of the concentration of substance A inside the cell to the concentration outside?
[A]inside
[A] outside
-81.28
Incorrect Answer
Choose the true statement about the transport of A under the conditions described.
Decreasing the concentration of the uniport protein in the membrane will cause AG to become a smaller
positive number.
Because AG is positive, the ratio [A] inside/[A] outside must be less than one.
Increasing [A] outside will cause AG for movement of Aoutside to Ainside to become a larger positive number.
Movement of Ainside to Aoutside will be spontaneous.
Incorrect Answer
Chapter 41 Solutions
Campbell Biology (10th Edition)
Ch. 41.1 - An animal requires 20 amino acids to make...Ch. 41.1 - Prob. 2CCCh. 41.1 - WHAT IF? If a zoo animal eating ample food shows...Ch. 41.2 - Prob. 1CCCh. 41.2 - In what sense are nutrients from a recently...Ch. 41.2 - Prob. 3CCCh. 41.3 - Explain why a proton pump inhibitor, such as the...Ch. 41.3 - Thinking about our nutritional needs and feeding...Ch. 41.3 - Prob. 3CCCh. 41.4 - Prob. 1CC
Ch. 41.4 - What features of a mammal's digestive system make...Ch. 41.4 - WHAT IF? "Lactose-intolerant" people have a...Ch. 41.5 - Explain how people can become obese even if their...Ch. 41.5 - WHAT IF? Suppose you were studying two groups of...Ch. 41.5 - Prob. 3CCCh. 41 - Prob. 41.1CRCh. 41 - Propose an artificial diet that would eliminate...Ch. 41 - Prob. 41.3CRCh. 41 - How does human anatomy indicate that our primate...Ch. 41 - Prob. 41.5CRCh. 41 - Fat digestion yields fatty acids and glycerol....Ch. 41 - The mammalian trachea and esophagus both connect...Ch. 41 - Which of the following organs is incorrectly...Ch. 41 - Prob. 4TYUCh. 41 - After surgical removal of the gallbladder, a...Ch. 41 - If you were to jog 1 km a few hours after lunch,...Ch. 41 - DRAW IT Create a flowchart to summarize the events...Ch. 41 - Prob. 8TYUCh. 41 - SCIENTIFIC INQUIRY In human populations of...Ch. 41 - WRITE ABOUT A THEME: ORGANIZATION Hair is largely...Ch. 41 - SYNTHESIZE YOUR KNOWLEDGE Hummingbirds are well...
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