Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 3, Problem 3RQ
Summary Introduction
To determine: The two primary
Introduction: Biological membranes are important for protection and functioning of the cells. Human cells have a cell membrane that is made up of biomolecules. These biomolecules are proteins and lipids. Certain carbohydrates are also embedded in the extracellular matrix of the cell.
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Identify the three different types of membrane proteins.
Proteins which are only on one side of the plasma membrane and may not interact with the phospholipids directly. The proteins are often involved in intracellular signialing.
a) cholesterol
b) peripheral protein
c) integral proteins
D) glycolipid
What types of lipids occur in the plasma
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
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- 27. Ions cannot cross directly through a lipid bilayer, yet we know they travel in and out of cells. Which of the following is/are true about how ions diffuse cross membranes? a) They diffuse down their concentration gradients. b) They diffuse through channels formed by integral membrane proteins. c) They diffuse down their electrical gradients. d) a and c e) a, b and carrow_forwardWhat Are Three Different Ways In Which Proteins Interact with Membranes?arrow_forwardWhat is the difference between smooth and rough endoplasmic reticulum?arrow_forward
- 3)What is the second type of lipid that plays a major role in the plasma membrane? This lipid does not have polar and nonpolar regions (its not amphiphilic) but plays a critical role in membrane permeability. A)phospholipids b) steroid hormones c) Cholesterol 4)Which one of the following influences the rate at which diffusion can occur? Size of the concentration gradient Mass of the molecule Distance All of the above affect diffusion None of the above affect the diffusion ratearrow_forwardWhat are the functional significance of the fluidity of a cell membrane?arrow_forwardWhat four components are required for the translocation of proteins across the endoplasmic reticulum membrane?arrow_forward
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The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license