Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Question
Chapter 32.1, Problem 4CYL
Summary Introduction
To explain:
Definition of positive feedback and explain why it rare in living organism.
Introduction:
Humans and other mammals are the most advanced form of life on the planet earth. They have several advanced mechanisms in their body, mechanisms that prevent alteration in the working conditions of the body even at the cellular level. The main focus of these mechanisms is on preventing the denaturation of enzymes which catalyze all the biological reactions in the body.
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Distinguish between positive and negative feedback loops. Which mechanisms is generally good for human beings and why?
Define the term negative feedback loop and positive feedback loop and explain how they differ from each other.
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Chapter 32 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 32.1 - Prob. 1CSCCh. 32.1 - define homeostasis and explain why organisms...Ch. 32.1 - Prob. 1HYEWCh. 32.1 - What would happen if a cold, shvering mammal...Ch. 32.1 - Prob. 2CSCCh. 32.1 - explain the difference between ectotherms and...Ch. 32.1 - Prob. 3CYLCh. 32.1 - Prob. 4CYLCh. 32.2 - Prob. 1CSRCh. 32.2 - By pumping carbon dioxide and other greenhouse...
Ch. 32.2 - Prob. 1CYLCh. 32.2 - Prob. 1ETCh. 32.2 - describe the four types of tissues?Ch. 32.2 - name and describe the major human organ systems?Ch. 32 - Why does life on land present particular...Ch. 32 - The ability of the body to maintain its internal...Ch. 32 - Which of the following statements is False? a....Ch. 32 - Define homeostasis, and explain how negative...Ch. 32 - Prob. 2ACCh. 32 - Prob. 2FIBCh. 32 - Prob. 2MCCh. 32 - Define and compare ectotherms and endotherms....Ch. 32 - Imagine you are a health care professional...Ch. 32 - Prob. 3FIBCh. 32 - Prob. 3MCCh. 32 - Prob. 3RQCh. 32 - Glands with ducts connecting them to the...Ch. 32 - Prob. 4MCCh. 32 - Prob. 4RQCh. 32 - Prob. 5FIBCh. 32 - Which of the following statements is True? a....Ch. 32 - Prob. 5RQCh. 32 - what property distinguishes connective tissue from...Ch. 32 - Prob. 7RQ
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Similar questions
- give two examples of feedback mechanisms in the human body. identify the type of feedback (negative or positive), the receptor, the control center and effector.arrow_forwardPositive feedback mechanisms are beneficial, but they need to be controlled. Discuss a scenario where if positive feedback was allowed to continue, the body might get damaged.arrow_forwardDefine homeostasis, and identify the components of negative feedback loops.arrow_forward
- How can a malfunction in a negative feedback mechanism lead to the death of an organism?arrow_forwardThe role of insulin is to signal the cells to uptake glucose from the blood. Is this a positive or negative feedback loop? Explain what would happen if the other type of feedback loop were to occur.arrow_forwardexplain positive feedback mechanismarrow_forward
- Contrast negative and positive feedback, giving one physiologic example of each mechanismarrow_forwardContrast negative and positive feedback systems.arrow_forwardPositive feedback processes invloves : a) Work in anticipation of changes in regulated variable b) Lead to instability of the regulated variable. c) Tend to force physiological variables back to set point, opposite direction of deviation d) Ten to force physiological variables away from their set point, further deviating itarrow_forward
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