Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 5.2, Problem 1LO
List the different components of phospholipids.
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Define phospholipid.
Describe the structure of a phospholipid and explain which regions of the phospholipid are hydrophobic and which are hydrophilic.
Please describe the characteristics of a phospholipid molecule. Where is the molecule found
Chapter 5 Solutions
Biology
Ch. 5.1 - Prob. 1LOCh. 5.1 - Explain the fluid mosaic model of membrane...Ch. 5.2 - List the different components of phospholipids.Ch. 5.2 - Prob. 2LOCh. 5.2 - Prob. 3LOCh. 5.3 - Illustrate the functions of membrane proteins.Ch. 5.3 - Prob. 2LOCh. 5.3 - Prob. 3LOCh. 5.4 - Compare simple diffusion and facilitated...Ch. 5.4 - Prob. 2LO
Ch. 5.4 - Prob. 3LOCh. 5.5 - Prob. 1LOCh. 5.5 - Prob. 2LOCh. 5.5 - Prob. 3LOCh. 5.6 - Distinguish between endocytosis and exocytosis.Ch. 5.6 - Illustrate how endocytosis can be specific.Ch. 5 - According to the fluid mosaic model, membranes are...Ch. 5 - Prob. 2IQCh. 5 - The fluid mosaic model of the membrane describes...Ch. 5 - What chemical property characterizes the interior...Ch. 5 - The transmembrane domain of an integral membrane...Ch. 5 - The specific function of a membrane within a cell...Ch. 5 - The movement of water across a membrane is...Ch. 5 - Prob. 6UCh. 5 - Which of the following is NOT a mechanism for...Ch. 5 - A bacterial cell that can alter the composition of...Ch. 5 - What variable(s) influence(s) whether a nonpolar...Ch. 5 - Which of the following does NOT contribute to the...Ch. 5 - How are active transport and coupled transport...Ch. 5 - A cell can use the process of facilitated...Ch. 5 - figure 5.5 describes a classic experiment...Ch. 5 - Each compartment of the endomembrane system of a...Ch. 5 - The distribution of lipids in the ER membrane is...
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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
- Define phospholipids. Classify them with suitable examples and state their functions.arrow_forwardA phospholipid is made of what three components? What are the hydrophobic parts of the phospholipid and what are hydrophilic parts of the phospholipid?arrow_forwardExplain Three Principal Classes of Lipids Contained By Biomembranes.arrow_forward
- a) List the constituents of phospholipids. b) Phospholipid molecules were suspended in a mixture made up of water/oil. Describe the molecular arrangement that will occur and provide explanation for the arrangement of the molecules in the aqueous/oil mixture environment and its application in cell membrane functionsarrow_forwardA) Briefly describe the basic structure of phospholipids and explain how they can provide an effective barrier against the unregulated movement of molecules into or out of cells. B) Not all phospholipids are identical to one another. Describe two components (parts) of that can be altered to create variation between different phospholipids.arrow_forwardExplain why a phospholipid is both hydrophilic and hydrophobicarrow_forward
- The following figure shows a typical phospholipid. Suppose this molecule was incorporated into a cell membrane. Which letter indicates the portion of the molecule that would be exposed to the aqueous environment? CH₂ I H₂C-N¹-CH₂ CH₂ A H₂C H₂C H₂C CH₂ CH₂O HO CH ₂ H₂C H₂C CH₂ OH HO O–CH, H₂C H₂C H₂C CH₂ HC CH₂ CH₂ CH-O CH-OH H₂C CH₂ H₂C CH₂ H₂C/ H₂C H₂C H₂C H₂C CH₂ H₂C CH₂ CH₂ CH₂ CH₂ CH₂ CH₂ CH₂ H₂C/arrow_forwardWhich of the following statements is TRUE about phospholipids? The hydrophobic fatty acid tails on phospholipids are repelled by water. The hydrophobic polar groups on phospholipids are attracted to each other. Enzymes can synthesize lipids directly into a membrane. O Enzymes release energy that is used to link phospholipids together. OOOarrow_forwardCell membranes consist mainly of ________ and ________. a. lipids; carbohydrates b. phospholipids; proteins c. lipids; carbohydrates d. phospholipids; ECMarrow_forward
- Cell membranes consists mainly of ________ and ________ . a. lipids; carbohydrates c. lipids; phospholipids b. phospholipids; protein d. phospholipids; ECMarrow_forwardDoctor recommended a patient with coronary heart disease to use lipids that contain polyunsaturated higher fatty acids. What components of biomembranes are synthesized with the participation of these substances?arrow_forwardWhich of the following are phospholipids: (a) triacylglycerols; (b) leukotrienes; (c) sphingomyelins; (d) fatty acids?arrow_forward
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