1395519

Question: 28. Glycoprotei ns and glycolipids on the cell surface are involved in this type of function: a. …


Easy question, timed assignment, please answer ASAP.
Thanks.
28. Glycoprotei ns and glycolipids on the cell surface are involved in this type of function: a. Cell identification b. Receptor sites c. Immune function d. Cell identification and receptor sites e. All of these are correct 29. Integrins are: a. membrane proteins that are involved in ion transport b. membrane proteins that are involved in sugar c. membrane proteins that mediate cell adhesion. d. proteins of the extracellular matrix that bind to cell surface proteins. e proteins that are found at the membrane-cytoplasm interface 30. Which of the following molecules or substances contain, or are derived from, fatty acids? e. All of the above a. Beeswax b. Prostaglandins c. Sphingolipids d. Triacylglycerols Which of these is a general feature of the lipid bilayer in all biological membranes? . Individual lipid molecules are free to diffuse laterally in the surface of b. Individual lipid molecules in one face (monolayer) of the bilayer readily diffuse transversely to 31. the bilayer. the other layer Polar compounds readily diffuse across the bilayer. The bilayer is stabilized by covalent bonds between neighboring phospholipid molecules. The polar head groups face inward toward the inside of the bilayer. c. d. e. The fluidity of the lipid side chains in the interior of a bilayer is generally increased by: a. a decrease in temperature. b. an increase in fatty acyl chain length. c. an increase in the number of double bonds in the fatty acids. d. an increase in the percentage of phosphatidylethanolamine e. the binding of water to the fatty acyl side chains. 32. Proteoglycans are a group of macromolecules formed from: a. b. c. 33. proteases and monosaccharides. proteases and glycosaminoglycans. proteins and polysaccharides. d. proteins and glycosaminoglycans. e. proteins and glycogen. Cholesterol is used as which of the following? a. b. c. d. e. 34. A component of plasma membranes. The precursor for the synthesis of other of the steroid hormones. The precursor for the synthesis of bile salts. All of the above None of the above 35. Protein glycation is a process where_is _-1Sattached to intra and/or ext proteins a. glycerol; covalently b. glucose; enzymatically c. glucose; non-enzymatically d. N-acetyl-galactosamine; enzymatica e. galactose; non-enzymatically

Show transcribed image text

28. Glycoprotei ns and glycolipids on the cell surface are involved in this type of function: a. Cell identification b. Receptor sites c. Immune function d. Cell identification and receptor sites e. All of these are correct 29. Integrins are: a. membrane proteins that are involved in ion transport b. membrane proteins that are involved in sugar c. membrane proteins that mediate cell adhesion. d. proteins of the extracellular matrix that bind to cell surface proteins. e proteins that are found at the membrane-cytoplasm interface 30. Which of the following molecules or substances contain, or are derived from, fatty acids? e. All of the above a. Beeswax b. Prostaglandins c. Sphingolipids d. Triacylglycerols Which of these is a general feature of the lipid bilayer in all biological membranes? . Individual lipid molecules are free to diffuse laterally in the surface of b. Individual lipid molecules in one face (monolayer) of the bilayer readily diffuse transversely to 31. the bilayer. the other layer Polar compounds readily diffuse across the bilayer. The bilayer is stabilized by covalent bonds between neighboring phospholipid molecules. The polar head groups face inward toward the inside of the bilayer. c. d. e. The fluidity of the lipid side chains in the interior of a bilayer is generally increased by: a. a decrease in temperature. b. an increase in fatty acyl chain length. c. an increase in the number of double bonds in the fatty acids. d. an increase in the percentage of phosphatidylethanolamine e. the binding of water to the fatty acyl side chains. 32. Proteoglycans are a group of macromolecules formed from: a. b. c. 33. proteases and monosaccharides. proteases and glycosaminoglycans. proteins and polysaccharides. d. proteins and glycosaminoglycans. e. proteins and glycogen. Cholesterol is used as which of the following? a. b. c. d. e. 34. A component of plasma membranes. The precursor for the synthesis of other of the steroid hormones. The precursor for the synthesis of bile salts. All of the above None of the above 35. Protein glycation is a process where_is _-1Sattached to intra and/or ext proteins a. glycerol; covalently b. glucose; enzymatically c. glucose; non-enzymatically d. N-acetyl-galactosamine; enzymatica e. galactose; non-enzymatically

(Visited 1 times, 1 visits today)