A class of animals called ruminant animals that includes grassers (e.g., cows, zebras, giraffes, etc.; animals that feed in tall grasses and are likely to encounter poisonous snakes) during their evolution have replaced majority of their skin lipids from glycerophospholipids to sphingolipids. What do you think is the significance of this evolutionary adaptat

A class of animals called ruminant animals that includes grassers (e.g., cows, zebras, giraffes, etc.; animals that feed in tall grasses and are likely to encounter poisonous snakes) during their evolution have replaced majority of their skin lipids from glycerophospholipids to sphingolipids. What do you think is the significance of this evolutionary adaptat

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter3: The Chemistry Of Life: Organic Compounds

Section: Chapter Questions

Problem 8TYU: Fatty acids in phospholipids and triacylglycerols interact with one another by (a) disulfide bridges...

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Fatty acids in phospholipids and triacylglycerols interact with one another by (a) disulfide bridges (b) van der Waals interactions (c) covalent bonds (d) hydrogen bonds (e) fatty acids do not interact with one another
Explain at least three functions that lipids serve in plants and/or animals.
Hello! Can you help me in determining the statements below if it's true or false? It's all about biochemistry and I would like to have a short explanation in order to understand the concept. Thank you so much! 1. Lipids can create soap through saponification.2. Oils can be converted to fats.3. According to research, unsaturated fats can increase the risk of heart disorders.4. Cholesterol is a type of lipid that does not contain a fatty acid.
Lipoprotein 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?
Lipids are a group of molecules that can be divided into five major subgroups based on their structure and function in the body. Give the specific name to each of the following lipid subgroups: a.) ___________________________: long chain hydrocarbons with a carboxyl groups, parts of Triglycerides and phospholipids b.) ____________________________: critical mediators of immune response c.) ____________________________: fat and oil in food and body d.) ____________________________: contain lipid hormones and cholesterols e.) ____________________________: major component of cell membranes
Sphingolipids differ from phosphoglycerides because?A. sphingolipids never have the phosphodiester linkage found in phosphoglycerides.B. sphingolipids utilize sphingosine to replace the glycerol backbone and one of the two fatty acyl tail found in phosphoglycerides.C. sphingolipids are the only lipids in lipids rafts.D. sphingolipids never contain sugar groups.
Most animal fats are solid at room temperature, whereas plant and fish oils tend to be liquid. Both contain fatty acids. Can you predict which type of fat contains saturated fatty acids, and which type contains unsaturated fatty acids?
Which of the following lipid types is NOT found in biological membranes? Glycerophospholipids. Cholesterol. Triacylglycerols. Sphingolipids. Gangliosides.
Thinking back to the structure of a fat (lipids), why would the respiratory quotient be less than 1 for fats? lipids have a lot of carbon-oxygen bonds lipids have a lot less carbon than carbohydrates fats have a long hydrocarbon tail and very little oxygen the amount of oxygen utilized is always less than the amount of carbon dioxide released
EVOLUTION CONNECTION The percentages of naturallyoccurring elements making up the human body (see Table 2.1)are similar to the percentages of these elements found in otherorganisms. How could you account for this similarity amongorganisms?
How is the structure of saturated fats different from that of unsaturated fats? A. All of the carbons in the hydrocarbon tails of saturated fats are bonded to one another with double bonds. B. Saturated fats have three hydrocarbon tails bonded to the glycerol molecule instead of just two. C. The hydrocarbon tails in a saturated fat have the maximum number of hydrogens possible. D. Saturated fats have no oxygens present. What are the primary functions of carbohydrates in cells? A. Energy storage, cell identity, structure, and building blocks for synthesis. B. Catalysis, structure, and energy storage. C. Different orientation of a hydroxyl in the ring form. D. Different position of the carbonyl group in the linear form. A positive test for starch would give the following colors: A. Dark blue, black, or purple B. Red, yellow, orange-red, green C. Bright Purple D. Purely Blue
Carbon chains are principal features for both carbohydrates and lipids. What is the primary difference between these two types of macromolecules?* Please choose one correct answer only. A. Lipids always have longer carbon chains than carbohydrates B. Lipids provide energy, but carbohydrates cannot C. Carbohydrates cannot form rings like lipids can D. Carbohydrates form ring structures, lipids form long chains