Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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Textbook Question
Chapter 33.1, Problem 1CC
An animal requires 20 amino acids to make proteins. Why aren't all 20 essential to animal diets?
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There are 20 amino acids needed to make proteins in the animal body. Why aren’t they all considered essential to animal diet?
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Chapter 33 Solutions
Campbell Biology in Focus
Ch. 33.1 - An animal requires 20 amino acids to make...Ch. 33.1 - Prob. 2CCCh. 33.1 - WHAT IF? if a zoo animal eating ample food shows...Ch. 33.2 - Prob. 1CCCh. 33.2 - In what sense are nutrients from a recently...Ch. 33.2 - Prob. 3CCCh. 33.3 - How does swallowed food reach the stomach of a...Ch. 33.3 - Explain why a proton pump inhibitor, such as the...Ch. 33.3 - Prob. 3CCCh. 33.4 - Prob. 1CC
Ch. 33.4 - Prob. 2CCCh. 33.4 - Prob. 3CCCh. 33.5 - Prob. 1CCCh. 33.5 - The energy required to maintain each gram of body...Ch. 33.5 - Prob. 3CCCh. 33 - The mammalian trachea and esophagus both connect...Ch. 33 - Which organ is incorrectly paired with its...Ch. 33 - Which of the following is not a major activity of...Ch. 33 - Prob. 4TYUCh. 33 - Prob. 5TYUCh. 33 - If you were to jog 1 km a few hours after lunch,...Ch. 33 - Prob. 7TYUCh. 33 - FOCUS ON EVOLUTION The human esophagus and trachea...Ch. 33 - Prob. 9TYUCh. 33 - Prob. 10TYU
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- What is the biological function of glycogen? Which type of cells and tissue store glycogen? What are the primary advantages of storage carbohydrates in animals?arrow_forwardDo you think eggs and milk contain complete proteins? Why or why not? (Hint: What are eggs and milk used for in nature?)arrow_forwardIn what way is the protein in a cooked egg the same as that in a raw egg?arrow_forward
- In what ways is a cooked egg's protein similar to that of a raw egg?arrow_forwardWhat are the 9 essential Amino Acids?What are the benefits of each to humans.arrow_forwardNormally our body can digest proteins very efficiently, but how come some proteins are not completely digested from foods? What happens to these undigested or partially digested proteins?arrow_forward
- Many people relate protein to health and fitness. How much protein do we really need? What is the role of protein and exercise? What are your thoughts regarding protein supplements, shakes, and protein bars?arrow_forwardCreate a mind map for amino acids.arrow_forwardWhy are fish living in cold waters particularly likely to have stores of unsaturated fats in their bodies, rather than saturated fats?arrow_forward
- (a) What are the main differences between glucogenic and ketogenic amino acids? (b) Why do would animals in warm climates, such as camels and migratory birds, need to store fat?arrow_forwardMisty Copeland is taking a snack break from her 8-hour rehearsal day and she wants to aid her muscles with recovery by eating a protein-rich snack. Part 1: What is the name of the monomer used to synthesize the protein and what is the name of the covalent bond that holds these monomers together? Part 2: The cells lining the inside of Misty Copeland's stomach need to produce and secrete enzymes like pepsin that will help breakdown the protein-rich snack she just ate. Using your knowledge of the endomembrane system (1) describe the pathway taken by the newly synthesized enzymes that will be secreted by her stomach cells? Include the terms cis-facing and trans-facing in your answer. (2) Include the type of cellular transport required for the enzyme to leave the cell. Part 3: The pH of Misty's stomach is low. For enzymes not used to this environment, which levels of protein structure will be affected? Briefly explain why the level(s) of structure you selected are being impacted. Part 4: If…arrow_forwardUnlike carbohydrates and fatty acids, protein shuld be supplied in regular basis. Why there is a need to supply protein more than the two macromolecules?arrow_forward
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