Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 7.3, Problem 12CC
Summary Introduction
To determine: The process of the membrane where the secretory vesicles release their contents in the extracellular fluid.
Introduction: Secretory vesicles are the vesicles that are responsible for transporting cell secretions. In the secretory vesicles, the release of substances is stimulated by either neural or hormonal signals.
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Secretory vesicles fuse with the cell membrane to release their contents to the outside of the cell. In this process, the membrane of the secretory vesicle becomes part of the cell membrane because small pieces of the membrane are continually added to the cell membrane, one would expect the cell membrane to become larger and larger as secretion continues. The cell membrane stays the same size, however. Explain how this happens.
Chapter 7 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 7.1 - Name the membrane transport process by which...Ch. 7.1 - What is the suffix in a chemical name that tells...Ch. 7.2 - What is the classic definition of a hormone?Ch. 7.2 - Based on what you know about the organelles...Ch. 7.2 - Prob. 5CCCh. 7.2 - The steroid hormone aldosterone has a short...Ch. 7.3 - In the blood glucose example, the increase in...Ch. 7.3 - Which insulin release pathway in Figure 7.7b is a...Ch. 7.3 - Prob. 9CCCh. 7.3 - Catecholamines belong to which chemical class of...
Ch. 7.3 - What intracellular structure is used for transport...Ch. 7.3 - Prob. 12CCCh. 7.3 - Match the general reflex pathway patterns shown in...Ch. 7.3 - Prob. 14CCCh. 7 - The study of hormones is called _____.Ch. 7 - List the three basic ways hormones act on their...Ch. 7 - List five endocrine glands, and name one hormone...Ch. 7 - Match the following researchers with their...Ch. 7 - Put the following steps for identifying an...Ch. 7 - Prob. 6RQCh. 7 - Prob. 7RQCh. 7 - Prob. 8RQCh. 7 - Prob. 9RQCh. 7 - Prob. 10RQCh. 7 - Prob. 11RQCh. 7 - Why do steroid hormones usually take so much...Ch. 7 - Prob. 13RQCh. 7 - Prob. 14RQCh. 7 - Prob. 15RQCh. 7 - Prob. 16RQCh. 7 - In reflex control pathways involving trophic...Ch. 7 - What characteristic defines neurohormones?Ch. 7 - Prob. 19RQCh. 7 - Prob. 20RQCh. 7 - Prob. 21RQCh. 7 - Prob. 22RQCh. 7 - Prob. 23RQCh. 7 - Prob. 24RQCh. 7 - Compare and contrast the three chemical classes of...Ch. 7 - Map the following groups of terms. Add terms if...Ch. 7 - The terms specificity, receptors, and...Ch. 7 - Prob. 28RQCh. 7 - Some early experiments for male birth control...Ch. 7 - Prob. 30RQCh. 7 - The following graph shows plasma TSH concentration...Ch. 7 - Prob. 32RQ
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- Describe vesicle trafficking process.arrow_forwardWhich type(s) of vesicular transport is for nonspecific engulfment of fluid and materials from outside of the cell? a receptor-mediated endocytosis b exocytosis c pinocytosis d phagocytosis and pinocytosisarrow_forwarda) Give the two main membrane proteins.b) State a function each of the mentioned protins. c) Explain why change in pH can affect the function of the proteins.arrow_forward
- Which statements are consistent with the known facts about membrane transport? (a) Active transport moves a substance from a region in which its concentration is lower to one in which its concentration is higher. (b) Transport does not involve any pores or channels in membranes. (c) Transport proteins may be involved in bringing substances into cells.arrow_forwardSecretory vesicles fuse with the cell membrane to release their contents to the outside of the cell. In this process, the membrane of the secretory vesicle becomes part of the cell membrane. Because small pieces of membrane are continually added to the cell membrane, we would expect the cell membrane to become larger and larger as secretion continues. However, the cell membrane stays the same size. Explain how this happens.arrow_forwardAll of the following are passive membrane transport processes except: (a) diffusion. (b) facilitated diffusion. (c) vesicular transport. (d) osmosis.arrow_forward
- Define vesiclearrow_forwardDescribe the role of secretory vesicles in the cell.arrow_forwardMovement of glucose from one side to the other side of the intestinal epithelium is a major example of transcellular transport. How does the Na+/K+ ATPase power the process? Why are tight junctions essential for the process? Why is localization of the transporters specifically in the apicalor basolateral membrane crucial for transcellular transport? Rehydration supplements such as sport drinks include a sugar and a salt. Why are both important to rehydration?arrow_forward
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