Select one: A. Both glycerophospholipids and sphingolipids are used as component of cell membrane. OB. Glycerophospholipids have two fatty acids connected to a glycerol backbone with a phosphate polar head group. X C. Both glycerophospholipids and sphingolipids contain at least one fatty acid. D. Sphingolipids have a sphingosine backbone in which a fatty acid can be attached to C1 and a sugar can be attached to C2. E. Ceramides are the precursors of all sphingolipids.

Select one: A. Both glycerophospholipids and sphingolipids are used as component of cell membrane. OB. Glycerophospholipids have two fatty acids connected to a glycerol backbone with a phosphate polar head group. X C. Both glycerophospholipids and sphingolipids contain at least one fatty acid. D. Sphingolipids have a sphingosine backbone in which a fatty acid can be attached to C1 and a sugar can be attached to C2. E. Ceramides are the precursors of all sphingolipids.

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter3: Biological Molecules: The Carbon Compounds Of Life

Section: Chapter Questions

Problem 1ITD

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Similar questions

Examine the membrane lipid pictured below and answer the following questions: a. Is this lipid classified as a phospholipid or a glycolipid? Explain your answer in two sentences.b. Is this lipid considered a sphingolipid or a glycerophospholipid? Justify your answer in two sentences. c. What fatty acid chains are used in this lipid? Are they saturated or unsaturated? What functional group enables them to connect to the backbone?
Which of the following statements concerning glycolipids is true? a. All glycolipids contain sphingosine. b. All glycolipids contain one sugar residue. c. All glycolipids contain phosphatidylglycerol. d. Some glycolipids contain ceramide, while others do not.
Which of the statements are true? a. Triacylglycerols (triglycerides) contain ester bonds. b. Unsaturated fats have higher melting points than saturated fats. c. Unsaturated fats are more likely than saturated fats to be liquid at room temperature. d. Triacylglycerols (triglycerides) always contain three identical fatty acids. e. Fats that contain more saturated fatty acid residues than unsaturated fatty acid residues are more likely to be solid at room temperature.
(a) Cholesterol is a lipid yet does not form membranes like the membrane lipids and is not used to store energy like the storage lipids. Explain. b) Glycerophospholipids and sphingolipids form membranes but triacylglycerols do not. Why? (c) Triacylglycerols are used for long term energy storage but glycogen and starch are used for short term energy storage. Explain
Which of the following correctly describes how high levels of fatty acid structures contribute to the rigidity of the cell membrane? The cell membrane becomes more rigid as the amount of unsaturated fatty acids with a kinked structure increases. The cell membrane becomes more rigid as the amount of unsaturated fatty acids with a kinked structure increases. The cell membrane becomes more rigid as the amount of saturated fatty acids with a straight structure increases. The cell membrane becomes more rigid as the amount of saturated fatty acids with a straight structure increases. The cell membrane becomes less rigid as the amount of unsaturated fatty acids with a straight structure increases. , , The cell membrane becomes less rigid as the amount of unsaturated fatty acids with a straight structure increases. , , The cell membrane becomes less rigid as the amount of saturated fatty acids with a straight structure increases.
Which of the following lipid types is the least polar? A. Sphingolipids B. Gangliosides C. Glycerophospholipids D. Triacylglycerols
Samples of three different triglycerides, A, B, and C, were tested to determine the melting point of each one. The results of the tests are shown in the graph. The length of the fatty acids in A, B, and C is the same. Which of the three triglycerides is likely to have the most saturated fatty acid side chains? triglyceride C triglyceride B triglyceride A There is no way of knowing based on the information available
Ceramide is in which lipid class? A) triacylglycerols b) phospholipids c) glycolipids d) sphingolipids The precursor molecule to triacylglycerols and phosphoglycerols is: a) sphingosine b) ceramide c) phosphatidate d) arachidonic acid Which of these is NOT found in phosphatidyl choline? A) glycerol b) fatty acids c) inositol d) phosphate Which of these is NOT found in sphingomyelin? Phosphate b) choline c) fatty acids d) glycerol Inositol is made from: a) short chain fatty acids b) glycerol c) glucose d) choline
Which of the following properties of a free fatty acid molecule would make it capable of producing the most energy when used as a fuel source, compared to other free fatty acids? a) A large number of unsaturated bonds b) Shorter hydrocarbon chain with a large number of carbonyl groups c) Longer hydrocarbon chain with a large number of saturated bonds d) Shorter hydrocarbon chain with a large number of saturated bonds
Select the correct statement about unsaturated fatty acids: 1. Unsaturated fatty acids have extra nitrogen atoms in their hydrophobic tails compared to saturated fatty acids 2. Unsaturated fatty acids have multiply bonded carbons in their hydrophobic tails compared to saturated fatty acids which have only single bonded carbons 3. Unsaturated fatty acids have no bends in their hydrophilic fatty acid tails 4. Unsaturated fatty acids have relatively more hydrogen atoms in their hydrophobic tails compared to saturated fatty acids
Doctor 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?
In which of the following pairs of fatty acids does the first listed acid have a higher solubility in water than the second listed acid? A. 18:0 acid and 18:3 acid B. 14:3 acid and 20:0 acid C. 12:0 acid and 22:0 acid D. 16:2 acid and 16:0 acid