PRINCIPLES OF BIOCHEM EXAM 3
QUESTIONS AND CORRECT ANSWERS
3A2fattyA2acidA2containingA2lipidsA2-A2Ans--1.A2triglycerides
2.A2glycerophospholipids
3.A2sphingolipids
SaturatedA2fattyA2acidA2-A2Ans--noA2C-CA2doubleA2bonds
UnsaturatedA2fattyA2acidA2-A2Ans--hasA2C-CA2doubleA2bonds
2A2thingsA2thatA2determineA2fattyA2acidA2meltingA2pointsA2-A2Ans--
1.A2lengthA2ofA2theA2chain
2.A2degreeA2ofA2unsaturation
TheA2longerA2theA2fattyA2acidA2chain,A2theA2_______A2theA2meltingA2pointA2-A2Ans--higher
TheA2fewerA2theA2doubleA2bondsA2inA2theA2fattyA2acid,A2theA2________A2theA2meltingA2poi
ntA2-A2Ans--higher
TheA2greaterA2theA2degreeA2ofA2unsaturation,A2theA2________A2theA2meltingA2pointA2-
A2Ans--lower
WhatA2isA2theA2chemicalA2trendA2ofA2triacylglycerols?A2-A2Ans--neutral/A2nonpolar
WhyA2areA2triacylglycerolsA2notA2foundA2inA2membranes?A2-A2Ans--
becauseA2theyA2areA2notA2amphipathic
WhatA2doA2freeA2fattyA2acidsA2attachA2toA2inA2theA2bloodA2forA2transport?A2-A2Ans--albumin
WhatA22A2thingsA2makeA2upA2aA2membrane?A2-A2Ans--1.A2proteins
2.A2amphipathicA2lipids
HowA2doA2theA2followingA2thingsA2travelA2throughA2aA2membrane:
1.A2hydrophobic/A2fatA2solubleA2molecules
2.A2ionsA2orA2polarA2moleculesA2-A2Ans--1.A2simpleA2diffusionA2
2.A2membraneA2transporterA2proteinsA2(passiveA2transportA2orA2activeA2transport)
AreA2theA2followingA2lipidsA2usedA2forA2storageA2orA2structure:
1.A2triacylglycerolA2
2.A2glycerophospholipid
3.A2sphingolipidA2-A2Ans--1.A2storage
2.A2structure
3.A2structure
QUESTIONS AND CORRECT ANSWERS
3A2fattyA2acidA2containingA2lipidsA2-A2Ans--1.A2triglycerides
2.A2glycerophospholipids
3.A2sphingolipids
SaturatedA2fattyA2acidA2-A2Ans--noA2C-CA2doubleA2bonds
UnsaturatedA2fattyA2acidA2-A2Ans--hasA2C-CA2doubleA2bonds
2A2thingsA2thatA2determineA2fattyA2acidA2meltingA2pointsA2-A2Ans--
1.A2lengthA2ofA2theA2chain
2.A2degreeA2ofA2unsaturation
TheA2longerA2theA2fattyA2acidA2chain,A2theA2_______A2theA2meltingA2pointA2-A2Ans--higher
TheA2fewerA2theA2doubleA2bondsA2inA2theA2fattyA2acid,A2theA2________A2theA2meltingA2poi
ntA2-A2Ans--higher
TheA2greaterA2theA2degreeA2ofA2unsaturation,A2theA2________A2theA2meltingA2pointA2-
A2Ans--lower
WhatA2isA2theA2chemicalA2trendA2ofA2triacylglycerols?A2-A2Ans--neutral/A2nonpolar
WhyA2areA2triacylglycerolsA2notA2foundA2inA2membranes?A2-A2Ans--
becauseA2theyA2areA2notA2amphipathic
WhatA2doA2freeA2fattyA2acidsA2attachA2toA2inA2theA2bloodA2forA2transport?A2-A2Ans--albumin
WhatA22A2thingsA2makeA2upA2aA2membrane?A2-A2Ans--1.A2proteins
2.A2amphipathicA2lipids
HowA2doA2theA2followingA2thingsA2travelA2throughA2aA2membrane:
1.A2hydrophobic/A2fatA2solubleA2molecules
2.A2ionsA2orA2polarA2moleculesA2-A2Ans--1.A2simpleA2diffusionA2
2.A2membraneA2transporterA2proteinsA2(passiveA2transportA2orA2activeA2transport)
AreA2theA2followingA2lipidsA2usedA2forA2storageA2orA2structure:
1.A2triacylglycerolA2
2.A2glycerophospholipid
3.A2sphingolipidA2-A2Ans--1.A2storage
2.A2structure
3.A2structure