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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Textbook Question
Chapter 5, Problem 3CCQ
A principle of biology is that living organisms interact with their environment. Discuss how lipid bilayers, channels, transporters, and cell junctions influence the ability of cells to interact with their environment.
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Based on what you have just learned about the structure and function of cellular membranes, describe how such a cell accomplishes these interactions with its environment.
In cell membrane, the regulation of membrane rigidity is the function of _____. While proteins ______
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B. Cholesterol; Move nutrients and electrolytes across
C. Lipid; Impart polarity to the interior membrane
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Describe the orientation of the phospholipid molecules in a membrane.
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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- Which plasma membrane component can be either found on its surface or embedded in the membrane structure? a. protein b. cholesterol c. carbohydrate d. phospholipidarrow_forwardCell membranes consists mainly of ________ and ________ . a. lipids; carbohydrates c. lipids; phospholipids b. phospholipids; protein d. phospholipids; ECMarrow_forwardExplain the cell membrane’s lipid bilayer. What are the lipids found in the cell membrane? Differentiate between passive and active transport movement of molecules across the cell membrane.arrow_forward
- Which of the following are the main structural components of the lipid bilayer of all cell membranes? A. Phospholipids B. Waxes C. Triglycerides D. Steroidsarrow_forwardSubject: Biology, Cell Biology Create a schematic diagram of a simple experiment which aims to determine if a certain cell membrane component moves in a flip-flop type manner.arrow_forwardWhich statements are consistent with the fluid-mosaic model of membranes? (a) All membrane proteins are bound to the interior of the membrane. (b) Both proteins and lipids undergo transverse (flip-flop) diffusion from the inside to the outside of the membrane. (c) Some proteins and lipids undergo lateral diffusion along the inner or outer surface of the membrane. (d) Carbohydrates are covalently bonded to the outside of the membrane. (e) The term mosaic refers to the arrangement of the lipids alone.arrow_forward
- Which macromolecule is a primary component of cell walls, and which argument provides evidence for how the structure of this molecule relates to its purpose within the cell wall? A Lipids are the primary component, and they repel and prevent excess uptake of water because they form carbon chains. B Lipids are the primary component, and they protect the cell and help maintain its shape because they form carbon rings. C Carbohydrates are the primary component, and they repel and prevent excess uptake of water because they form carbon chains. D Carbohydrates are the primary component, and they protect the cell and help maintain its shape because they form carbon rings.arrow_forwardThe plasma membrane is said to be a fluid-mosaic model because it contains a. waxes suspended within a mosaic of phospholipids.b. a mosaic of proteins suspended within a phospholipid bilayer.c. a polysaccharide mosaic suspended within a protein bilayer.d. a mosaic of phospholipids suspended within a protein bilayer.arrow_forwardDescribe two types of association between proteins and membranes.arrow_forward
- Integral proteins associate with the membrane through A. covalent attachment to lipids. B. covalent attachment to lipid anchors such as palmitoyl groups. C. hydrophobic interactions with lipids. D. interactions with carbohydrates attached to lipids.arrow_forwardA transmembrane protein contains a stretch of amino acids that crosses the plasma membrane. The side chains of the amino acids that associate with the phospholipid tails are: A) electronegative B) hydrophobic C) ionic D) polar E) hydrophilicarrow_forwarddescribe how phospholipids and proteins interact in a lipid bilayerarrow_forward
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