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Question: What force(s) stabilize(s) the lipid bilayers? a. b. 14. van der Waals interactions electrostatic…


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What force(s) stabilize(s) the lipid bilayers? a. b. 14. van der Waals interactions electrostatic interaction between the polar heads hydrogen bonding between the polar heads and surrounding water d. e. a & b all of the above 15 Which Vitamin-Function pair is INCORRECT7 Folate -One carbon transferase rxns Thiamine-a-Ketoacid Metabolism a. Pantothenic Acid Amino Acid Metabolism d. e. b. Riboflavin- Redox reactions e. BiotinCarboxylation Reactions The outer leafl contains high 16. et of the membrane can be distinguished from the inner leaflet because the outer leaflet trations of 1. phosphatidylcholine 2. gangliosides 3. phosphatidylethanolamine 4. phosphatidylserine 5. phosphatidylinositol 6. sphingomyelin d. 1,2, & 1,2, & 6 e. 1, 2, &3 b. 2, 3, &4 c. 3,4,& a. seases due to abnormal mitochondrial structure and/or function have been discovered and characterized. The mitochondrial specific phosphoglyceride that most likely results in this disease is . a. phosphatidyIserine b. diphosphatidylglycerol 17. Di One of these diseases is due to a lack of a mitochondrial specific phosphoglyceride. c. phosphatidylinositol d. phosphatidylcholine e. phosphatidylethanolamine 18. A ligand-gated ion channel (such as the acetylcholine receptor) is: a charged lipid in the membrane bilayer that allows ions to pass through. a membrane protein that permits a ligand to pass through the membrane only when opened by the appropriate ion. a. b. c. a membrane protein that permits an ion to pass through the membrane only when opened by the appropriate ligand a molecule that binds to the membrane thereby allowing ions to pass through. always requires a second ligand to close the channel once it is d. A lipid was isolated and saponified. The products of the saponification reaction include linoleate, stearate, oleate, sphingosine, galactose, glucose, N-acetylglucosamine, N-acetylgalactosamine, and sialic acid. This lipid most likely was a a. triacylglycerol b. plasmalogen 9. c. sphingomyelin d. cerebroside e. ganglioside One of the possible functions of the glycocalyx is to speed the diffusion polar molecules across the ce surface a. es b. No 0

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What force(s) stabilize(s) the lipid bilayers? a. b. 14. van der Waals interactions electrostatic interaction between the polar heads hydrogen bonding between the polar heads and surrounding water d. e. a & b all of the above 15 Which Vitamin-Function pair is INCORRECT7 Folate -One carbon transferase rxns Thiamine-a-Ketoacid Metabolism a. Pantothenic Acid Amino Acid Metabolism d. e. b. Riboflavin- Redox reactions e. BiotinCarboxylation Reactions The outer leafl contains high 16. et of the membrane can be distinguished from the inner leaflet because the outer leaflet trations of 1. phosphatidylcholine 2. gangliosides 3. phosphatidylethanolamine 4. phosphatidylserine 5. phosphatidylinositol 6. sphingomyelin d. 1,2, & 1,2, & 6 e. 1, 2, &3 b. 2, 3, &4 c. 3,4,& a. seases due to abnormal mitochondrial structure and/or function have been discovered and characterized. The mitochondrial specific phosphoglyceride that most likely results in this disease is . a. phosphatidyIserine b. diphosphatidylglycerol 17. Di One of these diseases is due to a lack of a mitochondrial specific phosphoglyceride. c. phosphatidylinositol d. phosphatidylcholine e. phosphatidylethanolamine 18. A ligand-gated ion channel (such as the acetylcholine receptor) is: a charged lipid in the membrane bilayer that allows ions to pass through. a membrane protein that permits a ligand to pass through the membrane only when opened by the appropriate ion. a. b. c. a membrane protein that permits an ion to pass through the membrane only when opened by the appropriate ligand a molecule that binds to the membrane thereby allowing ions to pass through. always requires a second ligand to close the channel once it is d. A lipid was isolated and saponified. The products of the saponification reaction include linoleate, stearate, oleate, sphingosine, galactose, glucose, N-acetylglucosamine, N-acetylgalactosamine, and sialic acid. This lipid most likely was a a. triacylglycerol b. plasmalogen 9. c. sphingomyelin d. cerebroside e. ganglioside One of the possible functions of the glycocalyx is to speed the diffusion polar molecules across the ce surface a. es b. No 0

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