Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 18RQ
A number of organelles can be considered vesicles. Define vesicle and describe at least three examples.
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Name some different types of vesicles and describe theirfunctions
"Tight junctions perform two distinct functions: they seal the space between cells to restrict paracellular flow and they fence off plasma membrane domains to prevent the mixing of apical and basolateral membrane proteins" is true or false.
The cytoplasm of a certain cell is composed of a
solution that is 98% water, 2% solutes. Consider the
solution shown in the beaker in this picture:
FOOE
OOS
Foor
solution.
[Select]
Cytoplasm is 98% water,
2% solutes.
The solution in the beaker would be considered
when compared to
[Select]
The plasma membrane is
impermeable to solutes.
Beaker solution
is 98% water,
2% solutes
the cell.
We would expect that the cell would
[Select]
if it was placed in the
would account for
whatever changes might occur to the volume of the
cytoplasm of the cell when it is placed in the solution.
Chapter 3 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 3.2 - Name three types of lipids found in cell...Ch. 3.2 - Describe three types of membrane proteins and how...Ch. 3.2 - Why do phospholipids in cell membranes form a...Ch. 3.2 - How many phospholipid bilayers will a substance...Ch. 3.3 - Name the three sizes of cytoplasmic protein...Ch. 3.3 - How would the absence of a flagellum affect a...Ch. 3.3 - Prob. 7CCCh. 3.3 - Prob. 8CCCh. 3.3 - What is the function of motor proteins?Ch. 3.3 - What distinguishes organelles from inclusions?
Ch. 3.3 - Prob. 11CCCh. 3.3 - Prob. 12CCCh. 3.3 - Prob. 13CCCh. 3.3 - Prob. 14CCCh. 3.3 - Examining tissue from a previously unknown species...Ch. 3.4 - Prob. 16CCCh. 3.4 - Prob. 17CCCh. 3.4 - Prob. 18CCCh. 3.4 - Prob. 19CCCh. 3.4 - Name two properties that distinguish endocrine...Ch. 3.4 - The basal lamina of epithelium contains the...Ch. 3.4 - You look at a tissue under a microscope and see a...Ch. 3.4 - Prob. 23CCCh. 3.4 - What is the distinguishing characteristic of...Ch. 3.4 - Prob. 25CCCh. 3.4 - Name six types of connective tissues.Ch. 3.4 - Prob. 27CCCh. 3.4 - Why does torn cartilage heal more slowly than a...Ch. 3.5 - Prob. 29CCCh. 3 - Prob. 1RQCh. 3 - In 1972, Singer and Nicolson proposed the fluid...Ch. 3 - Prob. 3RQCh. 3 - Prob. 4RQCh. 3 - Define cytoskeleton. List five functions of the...Ch. 3 - Match each term with the description that fits it...Ch. 3 - Prob. 7RQCh. 3 - Match each organelle with its function:Ch. 3 - Prob. 9RQCh. 3 - Prob. 10RQCh. 3 - List the four major tissue types. Give an example...Ch. 3 - Prob. 12RQCh. 3 - Prob. 13RQCh. 3 - Prob. 14RQCh. 3 - Prob. 15RQCh. 3 - Prob. 16RQCh. 3 - Which would have more rough endoplasmic reticulum:...Ch. 3 - A number of organelles can be considered vesicles....Ch. 3 - Prob. 19RQCh. 3 - Prob. 20RQCh. 3 - Prob. 21RQCh. 3 - Prob. 22RQCh. 3 - Explain how inserting cholesterol into the...Ch. 3 - Prob. 24RQCh. 3 - Prob. 25RQCh. 3 - Prob. 26RQCh. 3 - Prob. 27RQCh. 3 - Prob. 28RQCh. 3 - One result of cigarette smoking is paralysis of...Ch. 3 - Prob. 30RQCh. 3 - Prob. 31RQ
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- State the functions and importance of each of the following cell membrane components. 1. Phospholipid 2. Sphingolipid 3. Glycoprotein 4. Glycolipid 5. Peripheral Protein 6. Integral Protein 7. Cholesterol 8. Cytoskeleton Filamentsarrow_forwardFor plasma membrane, what macromolecules (carbohydrates, proteins, lipids, or necleic acids contribute to the organelle functionarrow_forwardName two cell-organelles that are double membrane bound. What are thecharacteristics of these two organelles? State their functions and draw labelled diagrams of both.arrow_forward
- A cell that is missing this structure would not have a rigid structural support outside of its plasma membrane and would not be protected from exploding when placed in water. Name the structure and tell why. Then state which type of cell(s) have this structure.arrow_forwardCells are considered to be alive but none of the individual organelles inside the cell are. Explain what is meant by this.arrow_forwardWhich of the following describes the plasma membrane? 1) phospholipid bilayer surrounding the cell 2) a membrane composed of tiny shelves or cristae 3) single-layered membrane that surrounds the nucleus of the cell 4) double layer of protein enclosing the plasmaarrow_forward
- discuss the following statement: “the structure and function of a living cell are dictated by the laws of physics and chemistry.”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 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.arrow_forwardBoth lysosomes and vacuoles are endomembrane structures, yet they differ in terms of their functions. Comment.arrow_forward
- A phospholipid that is destined to become part of the plasma membrane is synthesized inside a cell. Describe the process of making this molecule and its path to becoming part of the plasma membrane, giving specific details about where in the cell it would be for each step and each of the organelles/cell structures involved.arrow_forwardWhich of the following statements related to intercellular junctions is false? Cadherins are important cell-cell adhesion proteins. A cadherin-mediated junction involves many cadherin molecules to achieve strong adhesion. The cytoplasmic domain of cadherins interacts with actin or intermediate filament cytoskeleton through adaptor proteins. Because tight junctions seal the membrane of adjacent epithelial cells, transmembrane proteins in the apical portion of the plasma membrane cannot move to the basal lateral domain or vice versa. Proteins can diffuse through an open gap junction.arrow_forwardOrganelles compartmentalize a cell, much as a department store displays related items together. What advantage does such compartmentalization offer a large cell? Cite two examples of organelles and the activities they compartmentalize.arrow_forward
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