BCH441 UNIT 2 EXAM QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS VERIFIED
how many carbons in stearic acid
18
how many carbons in palmitic acid
16
how many carbons in arachidic acid?
20
saturated fatty acid function
all single bonds
allow membrane to move more fluidly, very organized
unsaturated fatty acid function
at least one DB
rigid, less organized
structure of arachidonic acid
function and structure of triacylglycerols
store metabolic energy and provide thermal insulation and padding
trans fatty acids
fatty acids with hydrogens on opposite sides of the double bond
glycerophospholipids
essential parts of cell membranes
parent compound of glycerophospholipids
, phosphatidic acid
phosphatidylcholine
glycerophospholipid w/ a choline head group
Phosphatidylethanolamine
glycerophospholipid w/ an ethanolamine head group
phosphatidylserine
diphosphatidylglycerol
cardiolipin
Phosphatidylinositol
one of the most abundant phospholipids with a hydroxyl-rich side group attached; often
found on the extracellular side of the lipid bilayer
platelet activating factor
ether glycerophospholipid
signalling molecule
ethers are found in archaea membranes
how is a ceramide formed?
amide linkage between a fatty acid and sphingosine
What are gangliosides?
ceramides with 3 or more sugars, one of which is a sialic acid
Tissue specificity
Cell-cell recognition
Nerve impulse transmission
COMPLETE SOLUTIONS VERIFIED
how many carbons in stearic acid
18
how many carbons in palmitic acid
16
how many carbons in arachidic acid?
20
saturated fatty acid function
all single bonds
allow membrane to move more fluidly, very organized
unsaturated fatty acid function
at least one DB
rigid, less organized
structure of arachidonic acid
function and structure of triacylglycerols
store metabolic energy and provide thermal insulation and padding
trans fatty acids
fatty acids with hydrogens on opposite sides of the double bond
glycerophospholipids
essential parts of cell membranes
parent compound of glycerophospholipids
, phosphatidic acid
phosphatidylcholine
glycerophospholipid w/ a choline head group
Phosphatidylethanolamine
glycerophospholipid w/ an ethanolamine head group
phosphatidylserine
diphosphatidylglycerol
cardiolipin
Phosphatidylinositol
one of the most abundant phospholipids with a hydroxyl-rich side group attached; often
found on the extracellular side of the lipid bilayer
platelet activating factor
ether glycerophospholipid
signalling molecule
ethers are found in archaea membranes
how is a ceramide formed?
amide linkage between a fatty acid and sphingosine
What are gangliosides?
ceramides with 3 or more sugars, one of which is a sialic acid
Tissue specificity
Cell-cell recognition
Nerve impulse transmission
