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**Understanding Hormonal Regulation** In circumstances where the body requires prolonged or increased levels of a hormone, the DNA of target cells will specify the synthesis of more receptors on the surface of the cells of the target organ. This is known as _______. - O sensitivity increase - O up-regulation - O a stressor reaction - O cellular affinity **Explanation:** This text presents a multiple-choice question discussing a physiological process where the body adapts to hormonal demands. The question likely addresses the mechanism of "up-regulation," where the number of receptors on target cells increases, enhancing the cell’s sensitivity to a hormone. This is a crucial concept in endocrinology, reflecting the body's ability to dynamically respond to hormonal changes to maintain homeostasis.

**Understanding Hormonal Regulation** In circumstances where the body requires prolonged or increased levels of a hormone, the DNA of target cells will specify the synthesis of more receptors on the surface of the cells of the target organ. This is known as _______. - O sensitivity increase - O up-regulation - O a stressor reaction - O cellular affinity **Explanation:** This text presents a multiple-choice question discussing a physiological process where the body adapts to hormonal demands. The question likely addresses the mechanism of "up-regulation," where the number of receptors on target cells increases, enhancing the cell’s sensitivity to a hormone. This is a crucial concept in endocrinology, reflecting the body's ability to dynamically respond to hormonal changes to maintain homeostasis.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Understanding Hormonal Regulation** In circumstances where the body requires prolonged or increased levels of a hormone, the DNA of target cells will specify the synthesis of more receptors on the surface of the cells of the target organ. This is known as _______. - O sensitivity increase - O up-regulation - O a stressor reaction - O cellular affinity **Explanation:** This text presents a multiple-choice question discussing a physiological process where the body adapts to hormonal demands. The question likely addresses the mechanism of "up-regulation," where the number of receptors on target cells increases, enhancing the cell’s sensitivity to a hormone. This is a crucial concept in endocrinology, reflecting the body's ability to dynamically respond to hormonal changes to maintain homeostasis.
Transcribed Image Text:**Understanding Hormonal Regulation** In circumstances where the body requires prolonged or increased levels of a hormone, the DNA of target cells will specify the synthesis of more receptors on the surface of the cells of the target organ. This is known as _______. - O sensitivity increase - O up-regulation - O a stressor reaction - O cellular affinity **Explanation:** This text presents a multiple-choice question discussing a physiological process where the body adapts to hormonal demands. The question likely addresses the mechanism of "up-regulation," where the number of receptors on target cells increases, enhancing the cell’s sensitivity to a hormone. This is a crucial concept in endocrinology, reflecting the body's ability to dynamically respond to hormonal changes to maintain homeostasis.
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