Biology: Life on Earth with Physiology (11th Edition)
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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Chapter 38, Problem 5MC
Summary Introduction

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For the efficient operation of the biochemical pathway, the activity of the reactions in that pathway needs to be regulated and coordinated. The feedback loop can be defined as the process in which the output of the system becomes the input of the same system.

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In a negative feedback mechanism,a. the output cancels the input.b. there is a fluctuation above and below the average.c. there is self-regulation.d. a regulatory center communicates with other body parts.e. All of these are correct.
Which of the following is true of positive feedback? a. The change is opposite that of negative feedback b. The effector turns off the response c. The change is amplified What is the difference between the answers a & b?
Mark the following statements as true or false. If a statement is false, correct it to make a true statement. a. Structure and function are closely related at the organ level only. b. Homeostasis is the condition of having a dynamic equilibrium of the internal environment. c. Positive feedback loops are triggered by a deviation from a homeostatic set point and are shut down when conditions return to the set point. d. The effects of negative feedback loops are amplified to create an escalating response. e. Cell-cell communication is required to coordinate the activities of the whole body
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What is Homeostasis? | Physiology | Biology | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=quQr6X1Q58I;License: CC-BY