Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 3, Problem 23RQ
Explain how inserting cholesterol into the phospholipid bilayer of the cell membrane decreases membrane permeability.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
If the concentration of cholesterol is low, how might a cell that requires cholesterol respond?
Why must cholesterol, although lipid-soluble, cross most membranes by means of receptor-mediated endocytosis or transporters
Explain the affect on the structure and physical properties of a fatty acid when increasing the unsaturation level.
What affect would having more unsaturated phospholipids have on a cell membrane?
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
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Explain how the following affect membrane fluidity:– Level of phospholipid tail saturation– Level of cholesterol– Phospholipid tail lengtharrow_forwardDraw the structure of cholesterol and show the parts of the molecule that orients towards the inside and outside of the plasma membrane.arrow_forwardDescribe what are the functions of cholesterol in the body.arrow_forward
- Explain Phospholipid synthesis in the ER membrane.arrow_forwardDescribe ONE modification that could happen to the phospholipids in a membrane that would increase the permeability of the membrane to small non-polar molecules such as oxygen gas. Explain why this modification would increase membrane permeability.arrow_forward(a) Describe permeability of a phospholipid bilayer for the following molecules. Use terms: non-permeable, high permeability, medium permeability. N2, O2, Na+, glucose, sucrose (disaccharide), glycogen, H2O, KCl, K+, Mg2+, glycine and protein (b) Discuss the role of carbonic anhydrase in CO2 transport. (c) Discuss the cause of ‘cold denaturation’ of proteins.arrow_forward
- A) how does a phospholipid differ from a fat? Why is this important for the cells lipid by layer? B) what is the difference between active and passive transport?arrow_forwardHow does cholesterol affect membrane fluidity? Group of answer choices a. It tends to increase the fluidity b. It has no influence on membrane fluidity c. It tends to decrease membrane fluidityarrow_forwardA phospholipid bilayer with equal amounts of saturated and unsaturated fatty acids displays a specific permeability to glucose. What effect will increasing the proportion of unsaturated fatty acids in the bilayer have on the membrane's permeability to glucose?arrow_forward
- Describe the fluid properties of the cell membrane and explain how membrane fluidity is influenced by membrane composition.arrow_forwardWhy must cholesterol, although lipid-soluble, cross most membranes by means of receptor-mediated endocytosis or transporters? Propose a mechanism for co-transport of cholesterol through a plasma membranearrow_forwardMembranes that contain a significant proportion of cis unsaturated fatty acids are more fluid than similar membraneswith higher levels of saturated fatty acids. Explain.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Human Anatomy & Physiology (11th Edition)BiologyISBN:9780134580999Author:Elaine N. Marieb, Katja N. HoehnPublisher:PEARSONBiology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStaxAnatomy & PhysiologyBiologyISBN:9781259398629Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa StouterPublisher:Mcgraw Hill Education,
- Molecular Biology of the Cell (Sixth Edition)BiologyISBN:9780815344322Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter WalterPublisher:W. W. Norton & CompanyLaboratory Manual For Human Anatomy & PhysiologyBiologyISBN:9781260159363Author:Martin, Terry R., Prentice-craver, CynthiaPublisher:McGraw-Hill Publishing Co.Inquiry Into Life (16th Edition)BiologyISBN:9781260231700Author:Sylvia S. Mader, Michael WindelspechtPublisher:McGraw Hill Education
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:PEARSON
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Anatomy & Physiology
Biology
ISBN:9781259398629
Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:9780815344322
Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:9781260159363
Author:Martin, Terry R., Prentice-craver, Cynthia
Publisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:9781260231700
Author:Sylvia S. Mader, Michael Windelspecht
Publisher:McGraw Hill Education
The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license