Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 5.1, Problem 2TYK
Summary Introduction
Introduction:
Membrane proteins are classified into transmembrane proteins, lipid-anchored proteins, and peripheral membrane proteins. Transmembrane proteins and lipid-anchored proteins are known as integral membrane proteins.
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Which of the following statements about a typical plasma membrane is correct?
The hydrophilic interior of the membrane is composed primarily of the fatty acid tails of the phospholipids.
Carbohydrates on the membrane surface are important in determing the overall bilayer structure.
Phospholipids are the primary component that determines which solute can cross the plasma membrane.
The two sides of the plasma membrane have different lipid and protein composition.
The plasma membrane is covalently linked network of phospholipids and proteins that controls the movement of solutes into and out of a cell.
Which of the following is most likely NOT a function of Peripheral Proteins?
support for membranes
enzymes
anchor for integral membrane proteins
receptors
Which of the following would be most likely to interfere with the proper insertion of a protein into the plasma membrane?
Select the best answer.
Options:
The switch of a polar amino acid to a non-polar in a transmembrane region of the protein.
The switch of a non-polar amino acid to a polar in a transmembrane region of the protein.
The switch of a non-polar amino acid to a polar in a cytoplasmic region of the protein.
The switch of a polar amino acid to a non-polar in a cytoplasmic region of the protein.
Chapter 5 Solutions
Principles of Biology
Ch. 5.1 - Which of the following is not a characteristic of...Ch. 5.1 - Prob. 2TYKCh. 5.2 - In an animal cell, how can changes in lipid...Ch. 5.2 - Prob. 2CCCh. 5.2 - Prob. 1TYKCh. 5.2 - Which of the following changes would make a...Ch. 5.3 - Prob. 1BCCh. 5.3 - Prob. 1CCCh. 5.3 - Prob. 2BCCh. 5.3 - Prob. 2CC
Ch. 5.3 - Prob. 1TYKCh. 5.3 - Prob. 2TYKCh. 5.4 - Prob. 1CCCh. 5.4 - Prob. 1TYKCh. 5.4 - Prob. 2TYKCh. 5.5 - Prob. 1BCCh. 5.5 - Prob. 1TYKCh. 5.6 - Prob. 1CCCh. 5.6 - A form of endocytosis that involves the formation...Ch. 5.7 - Prob. 1CCCh. 5.7 - Prob. 2CCCh. 5.7 - Prob. 1BCCh. 5.7 - Anchoring junctions that adhere adjacent animal...Ch. 5 - Which of the following statements best describes...Ch. 5 - Which of the following events in a biological...Ch. 5 - Prob. 3TYCh. 5 - Carbohydrates of the plasma membrane are bonded to...Ch. 5 - Which of the following movements would not be an...Ch. 5 - Prob. 6TYCh. 5 - Prob. 7TYCh. 5 - What features of a membrane are a major...Ch. 5 - Prob. 9TYCh. 5 - Large particles can be brought into the cell by...Ch. 5 - With your textbook closed, draw and describe the...Ch. 5 - Describe two different ways that integral membrane...Ch. 5 - A principle of biology is that living organisms...Ch. 5 - Prob. 1CBQCh. 5 - With regard to bringing solutes into the cell...
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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 false in regards to charged ions, non-lipid soluble proteins, and membranes? Charged ions are repelled by the lipid bilayer. Non-lipid soluble proteins are repelled by the lipid bilayer. Charged ions and non-lipid soluble proteins require other mechanisms to cross membranes. Charged ions and non-lipid soluble proteins do not require other mechanisms to cross membranes.arrow_forwardBesides lipid molecules, cell membranes also contain many different types of proteins, each with specific functions. In the following table, select the common type of membrane protein in the right-hand column that each statement in the left-hand column describes. The choices on the Type of Membrane Protein are the same for theFunction of the Membrane Proteinarrow_forwardWhich of the following components is attached to lipids and proteins on the extracellular side of the membrane? Group of answer choices cholesterol peripheral proteins carbohydrates integral proteinsarrow_forward
- Which type of proteins facilitate the movement of molecules in active transport and facilitated diffusion? A Transport Proteins such as channel or transporter(carrier) proteins. B All highly hydrophobic amino acid side chains. Proteins do not facilitate the transport of molecules across the selectively permeable membrane. All proteins facilitate the transport of molecules across the selectively permeable membrane.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_forwardThe plasma membrane consists mainly of: A Proteins embedded in a carbohydrate bilayer B Phospholipids embedded in a protein bilayer C Proteins embedded in a phospholipid bilayer D Proteins embedded in a polymer of glucose moleculesarrow_forward
- Which of the followings is not true about the function of the Tight Junctions? (LO- K8) They hold the cells together They act as a barrier They help maintain cell polarity They prevent lateral diffusion of proteins, ions, molecules They play an important role in maintaining the blood brain barrier They connect the adjacent cells intercellularly to the intermediate cytoskeletal filamentsarrow_forwardproteins are inserted into the membrane rather than being loosely associated with its surface. mosaic cholesterol O integral aminoacyl fluid peripheralarrow_forwardState 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_forward
- Which of the following statements are TRUE about the phospholipid bilayer? Select all that apply. Integral proteins have at least one part touching the inner 'tails' of the membrane. Peripheral proteins span the entire membrane. Cholesterol can be used to make the membrane more OR less fluid, depending on the temperature. Glycolipids and glycoproteins face the inside of the cell.arrow_forwardWhich of the following lipid components of the eukaryotic plasma membrane would be associated with the highest membrane fluidity? a triglyceride with unbranched, saturated, short-chain fatty acids a monoglyceride with unbranched, saturated, short-chain fatty acids a triglyceride with unbranched, saturated, long-chain fatty acids a monoglyceride with branched, unsaturated, short-chain fatty acids a diglyceride with unbranched, saturated, long-chain fatty acidsarrow_forwardThe plasma membrane is composed of a variety of lipid molecules. 1. Phosphatidylethanolamine 2. Phosphatidylcholine 3. Phosphatidylinositol 4. Phosphatidylserine 5. Sphingomyelin 6. Glycolipids 7. Cholesterol. Which lipids contain sugar molecules?arrow_forward
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