Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 2, Problem 7CP
Relate the functions of phospholipids to their structure, and explain the significance of the prostaglandins.
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a. What characteristic of phospholipids makes them essentialcomponents of cell membranes?b. How are saturated and unsaturated fatty acids different?c. Why is the hydrophilic end of phospholipids attracted to water?
Explain why the structure of phospholipids enables them to form lipid bilayers in aqueous conditions, whereas triacylglycerols and diacylglycerols do not.
Describe the structure of a phospholipid. Which end of themolecule is hydrophilic? Explain why.
Chapter 2 Solutions
Human Physiology
Ch. 2 - List the components of an atom and explain how...Ch. 2 - Describe the nature of nonpolar and polar covalent...Ch. 2 - Define the terms acidic, basic, acid, and base....Ch. 2 - Using chemical equations, explain how bicarbonate...Ch. 2 - Prob. 4CPCh. 2 - Describe the structural characteristic of all...Ch. 2 - Describe the characteristics of a lipid, and...Ch. 2 - Explain, in terms of dehydration synthesis and...Ch. 2 - Relate the functions of phospholipids to their...Ch. 2 - Write the general formula for an amino acid, and...
Ch. 2 - Describe and account for the different levels of...Ch. 2 - Describe the different categories of protein...Ch. 2 - Prob. 10aCPCh. 2 - Prob. 10bCPCh. 2 - Describe the structure of DNA, and explain the law...Ch. 2 - Which of these statements about atoms is true?...Ch. 2 - The bond between oxygen and hydrogen in a water...Ch. 2 - Which of these is a nonpolar covalent bond?...Ch. 2 - Solution A has a pH of 2, and solution B has a pH...Ch. 2 - Glucose is
Ch. 2 - Digestion reactions occur by means of...Ch. 2 - Carbohydrates are stored in the liver and muscles...Ch. 2 - Lecithin is
Ch. 2 - Which of these Lipids have regulatory roles in the...Ch. 2 - The tertiary structure of a protein is directly...Ch. 2 - The type of bond formed between two molecules of...Ch. 2 - The carbon-to-nitrogen bond that joins amino acids...Ch. 2 - Prob. 13RACh. 2 - Prob. 14RACh. 2 - Prob. 15RACh. 2 - Prob. 16RACh. 2 - Prob. 17RACh. 2 - Explain, in terms of dehydration synthesis and...Ch. 2 - Prob. 19RACh. 2 - Prob. 20RACh. 2 - Explain how one DNA molecule serves as a template...Ch. 2 - Prob. 22RACh. 2 - Prob. 23RACh. 2 - From the ingredients listed on a food wrapper, it...Ch. 2 - Prob. 25RACh. 2 - Prob. 26RACh. 2 - Prob. 27RACh. 2 - Prob. 28RACh. 2 - Prob. 29RACh. 2 - The molecular weight is the sum of the atomic...
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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
- Name two glycerophospholipids found in eukaryotic cell membranes and two sphingolipids. What fraction of the lipid in most plasma membranes is cholesterol, and how does cholesterol content affect membrane fluidity? Note: be precise and go straight to the point. Adress what the question is asking you. I don't expect more than 5 sentences for an answer. I have experience with numerous tutors in the past with repect to the lenght of one response.arrow_forwardFats are hydrophobic while phospholipids are amphipathic. Define hydrophobic and amphipathic, and explain why fats are hydrophobic and phospholipids are amphipathic.arrow_forwardWhat effects do unsaturated fatty acids in phospholipids have on the cell membrane?arrow_forward
- List some of the functions prostaglandins serve in the body.arrow_forwardDraw the structure of cholesterol and show the parts of the molecule that orients towards the inside and outside of the plasma membrane.arrow_forwardAmong the glycerophospholipids containing palmitic acid and linoleic acid which will have the greatest solubility of water: phosphatidlycholine, phosphatidylethanolamine or phosphatidylserinearrow_forward
- Describe the biological functions of lipids. What factorscan affect the transition temperature (Tm) of lipid bilayer?arrow_forwardExplain the different properties of the head and tails of phospholipids (polar, hydrophilic, nonpolar, hydrophilic)arrow_forwardIs the statement true? The individual glycerophospholipid molecules that aggregate become covalently linked to each other to form a lipid bilayer.arrow_forward
- Draw the general structure of a phospholipid.arrow_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_forwardLipoprotein particles are relatively large, sphericalclumps of protein and lipid molecules (see Figure 3.18)that circulate in the blood of mammals. They are likesuitcases that move cholesterol, fatty acid remnants, triglycerides, and phospholipids from one place to anotherin the body. Given what you know about the solubilityof lipids in water, which types of lipids would you predict to be on the outside of a lipoprotein clump, bathedin the water-based fluid portion of blood?arrow_forward
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