HUMAN A+P MOD.MASTERING
2nd Edition
ISBN: 9780136919520
Author: AMERMAN
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 3, Problem 5CYR
Mark the following statements about the plasma membrane as true or false. If a statement is false, correct it to make a true statement.
a. Integral membrane proteins generally span the width of the plasma membrane, whereas peripheral proteins are found on only one side of the membrane.
b. Cholesterol provides the plasma membrane with stability in the face of changing ion concentrations.
c. Membrane cholesterol is vital for cell-cell recognition.
d. Membrane proteins often function as channels or carriers.
e. The overall structure of the plasma membrane is a mosaic with the components locked tightly in place.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Indicate whether the following statements are true or false. If a statement is false, explain why it is
false.
a. All types of cells contain cell walls, but only some cell types possess plasma membranes.
b. The distribution of specific lipids to the inner and outer leaflet is asymmetrical, or biased, in
plasma membranes.
C. Lateral diffusion is the movement of lipids from one layer of the membrane to the other.
d. Fatty acids tails are used to embed integral, transmembrane proteins in the plasma membrane.
Describe the properties of the three classes of membrane proteins (integral, peripheral, and lipid-anchored) along:
A. differences from each other
B. variation among themselves
Choose among the following the two
properties of a particle influence whether it
can permeate the plasma membrane?
A. lipid solubility of the particle
B. particle mass
C. particle size
D. water solubility of the particle
E. particle color
F. particle weight
Chapter 3 Solutions
HUMAN A+P MOD.MASTERING
Ch. 3.1 - What general processes are carried out by cells?Ch. 3.1 - Prob. 2QCCh. 3.1 - Where are intracellular and extracellular fluids...Ch. 3.2 - 1. How do phospholipids arrange themselves in the...Ch. 3.2 - 2. How is the plasma membrane described according...Ch. 3.2 - 3. What are five functions of membrane proteins?
Ch. 3.2 - What roles do cholesterol, glycoproteins, and...Ch. 3.3 - Mark each of the following statements as true or...Ch. 3.3 - Mark each of the following statements as true or...Ch. 3.3 - Mark each of the following statements as true or...
Ch. 3.3 - Mark each of the following statements as true or...Ch. 3.3 - How does the process of primary active transport...Ch. 3.3 - What is the main primary active transport pump in...Ch. 3.3 - 7. How does the process of secondary active...Ch. 3.3 - Prob. 8QCCh. 3.3 - Explain the basic process of exocytosis.Ch. 3.4 - 1. Identify the properties listed in the next...Ch. 3.4 - Identify the following properties as belonging to...Ch. 3.4 - To what destinations can products from the Golgi...Ch. 3.5 - Prob. 1QCCh. 3.5 - Prob. 2QCCh. 3.5 - Prob. 3QCCh. 3.6 - 1. What are the main components of the nucleus?...Ch. 3.6 - What is chromatin? How are chromatin and...Ch. 3.6 - 3. What is a nucleolus, and what is its...Ch. 3.7 - How is a codon related to a triplet?Ch. 3.7 - 2. Describe the basic steps of transcription.
Ch. 3.7 - Explain how tRNA acts as the translator of the...Ch. 3.7 - Describe the basic steps of translation.Ch. 3.7 - 5. Why is posttranslational modification...Ch. 3.7 - 6. Why is it important to regulate gene...Ch. 3.8 - What happens during each stage of the cell cycle?Ch. 3.8 - What does semiconservative replication mean?Ch. 3.8 - Describe the changes in the cell that take place...Ch. 3.8 - What are four external factors that play a role in...Ch. 3 - Which of the following is not a basic function...Ch. 3 - Prob. 2CYRCh. 3 - What are the two fluid compartments in the body,...Ch. 3 - 4. Which of the following best describes the...Ch. 3 - Mark the following statements about the plasma...Ch. 3 - 6. What is the primary difference between active...Ch. 3 - 7. Match the term with its appropriate...Ch. 3 - 8. Fill in the blanks: A hypotonic solution will...Ch. 3 - 9. Match the following terms with the correct...Ch. 3 - Prob. 10CYRCh. 3 - Mark the following statements about the...Ch. 3 - 12. Our somatic cells’ DNA is distributed among...Ch. 3 - Explain how and why chromatin is condensed in the...Ch. 3 - Which of the following statements correctly...Ch. 3 - Each of the following statements about protein...Ch. 3 - Number the following steps of protein synthesis in...Ch. 3 - Which of the following is not a phase of mitosis?...Ch. 3 - 18. Why is regulation of the cell cycle...Ch. 3 - 19. Mark the following statements about the cell...Ch. 3 - 20. Match the following terms with the correct...Ch. 3 - 1. Write a single sentence, using no more than 25...Ch. 3 - 2. Certain diseases are transmitted via...Ch. 3 - 3. Explain how the form of each of the following...Ch. 3 - Certain types of cancerous lung tumors can secrete...Ch. 3 - Why do you think the rate of cell division is...Ch. 3 - 1. A patient is admitted to the hospital and...Ch. 3 - A popular science fiction program once had an...Ch. 3 - Prob. 3AYKACh. 3 - Prob. 4AYKACh. 3 - The drug methotrexate is used to treat several...
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
- Which of the following is Not a function of the plasma membrane proteins? A. Acting as enzymes B. Acting as channels C. Acting as carriers D. Stabilizing temperaturearrow_forwardWhat is the primary characteristic of peripheral membrane proteins? A: They cannot be post-translationally modified. B: They span the entire lipid bilayer, sometimes multiple times. C: Detergents or nonpolar solvents are necessary to remove them from the lipid bilayer. D:Weak intermolecular forces keep them attached to the lipid membrane.arrow_forwardWhich of the following statements regarding the selective permeability of the lipid bilayer is FALSE? A. the permeability of the lipid bilayer to different substances varies. B. The lipid bilayer component of the plasma membrane is highly permeable to nonvolatile molecules such as oxygen. C. The more hydrophobic or lipid soluble a substance is, the greater the lipid bilayers permeability to that substance. D. The lipid bilayer component of the plasma membrane is moderately permeable to ions and large, uncharged polar moleculesarrow_forward
- Ion channels are formed by a particular kind of membrane protein that allows the passage of a specific ion (or ions) under certain conditions. This type of protein is most likely a(n) a. peripheral membrane protein with additional hydrophobic domains b. integral membrane protein with a transmembrane domain c. a cholesterol-like molecule that is positioned in the phospholipid bilayer d. membrane phospholipid with hydrophilic head group e. soluble enzyme anchored to a scaffolding protein on the cytoplasmic side of the plasma membranearrow_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_forwardAccording to the fluid-mosaic model of the plasma membrane, a.protein and phospholipids form a regular, repeating structure. b.the membrane is a rigid structure. c.phospholipids form a double layer, with the polar parts facing each other. d.proteins are free to move within a double layer of phospholipids.arrow_forward
- Which of the following is NOT a function of membrane proteins? a.Regulate the passage of ions b.Act as carrier molecules for various solutes c.Act as anchors or stabilizers for the cell membrane d.Storage of cellular nutrientsarrow_forwardWhich of the following describes the fluid mosaic model of the plasma membrane structure? a. The lipid bilayer is solid at body temperature, thus protecting the cell. b. The phospholipid bilayer is embedded with associated proteins, cholesterol and sugars and has a dynamic arrangement. c. The plasma membrane is composed of two layers of proteins embedded with lipids. d. Phospholipids consist of a polar head and a nonpolar tail made of three fatty acid chainsarrow_forwardCadherins are calcium-dependent adhesion proteins. They are homophilic proteins found in cell-cell adhesion. Answer the following. a. Explain what is meant by the term homophilic in this context. b. In what kind of cell-cell junction are cadherins found?arrow_forward
- Which of the following statements describes the function of plasma membranes? I. define the boundaries of the cell and its organelles and act as permeability barriers II. sites for specific biological and chemical functions III. possess transport proteins that regulate the movement of substances into and out of the cell and its organelles IV. contain protein molecules that act as receptors to detect external signals V. provide mechanisms for cell-to-cell contact, adhesion, and communication A. I and III B. I, III, IV C. I, III, IV, V D. I, II, III, IV, Varrow_forwardExplain how the chemical composition/structure of the plasma membrane allows for it to be selectively permeable. What does this information tell you about the chemical composition of an integral protein versus a peripheral protein? How do these differences allow for their different functions?arrow_forwardMembrane proteins play the following roles: Select one: a. All of the answers b. Enzymes c. Cell communication d. Transportarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license