PORTAGE BIOCHEMISTRY- MODULE 5 ACTUAL EXAMS WITH QUESTIONS AND CORRECT VERIFIED ANSWERS GRADED A+ || 100% GUARANTEED PASS NEWEST VERSION

PORTAGE BIOCHEMISTRY- MODULE 5 ACTUAL EXAMS WITH QUESTIONS AND CORRECT VERIFIED ANSWERS GRADED A+ || 100% GUARANTEED PASS NEWEST VERSION Which simplified notation indicates a 20-carbon omega-3 fatty acid that contains no other double bonds? A) 20:1 (Δ11) B) 20:1(Δ18) C) 20:1(Δ17) D) 20:1(Δ3) E) 20:3(Δ3omega) - Answer ️20:1(Δ17) __________ is used as the backbone molecule in the formation of storage fats. Ceramide Glucose Sphingolipid Glycerol Phosphoglycerol - Answer ️Glycerol Which types of membrane lipids determine the blood type of humans? Triacylglycerols Phosphoglycerides Cholesterol Fatty acids Sphingolipids - Answer ️Sphingolipids Sphingolipids are found in high concentrations in the membranes of __________. organelles myelin sheaths all cells heart cells Vitamin K lipids - Answer ️myelin sheaths In a sphingolipid, the fatty acids are attached at carbon-2 by this type of linkage? An ether linkage Amide linkage An ester linkage A peroxide linkage Alkyl linkage - Answer ️Amide linkage Membrane proteins: Are sometimes peripheral Are sometimes integral Are types of lipids Both A and B None of the above - Answer ️Both A and B Peripheral membrane proteins: Go all the way through the membrane and are firmly attached to the membrane Are firmly attached to the membrane Are lipids that can be either on the top of the cell or bottom of the cell Are associated with the inside or outside surface of the membrane None of the above - Answer ️Are associated with the inside or outside surface of the membrane Which statement best describes a general feature of membranes? Individual lipid molecules are free to move in the membrane The interior of the lipid bilayer is very polar The membrane breaks easily The polar heads face inward