Chem 210 Portage Learning Exam #5 | Questions and Verified Answers| 2023/ 2024 Update

Chem 210 Portage Learning Exam #5 | Questions and Verified Answers| 2023/ 2024 Update Question Which types of membrane lipids determine the blood type of humans? Triacylglycerols Phosphoglycerides Cholesterol Fatty acids Sphingolipids Question Sphingolipids are found in high concentrations in the membranes of . organelles myelin sheaths all cells heart cells Vitamin K lipids Question In a sphingolipid, the fatty acids are attached at carbon-2 by this type of linkage? Amide linkage An ether linkage An alcohol linkage A peptide linkage Alkyl linkage Question Membrane proteins: Are sometimes peripheral Are sometimes integral Are types of lipids Both A and B None of the above Question 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 Question Which statement best describes a general feature of membranes? The membrane breaks easily Individual lipid molecules stay in one place The polar heads face inward The interior of the lipid bilayer is very polar The membrane is fluid Question The following cartoon drawing represents which lipid type? Sphingolipid