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Amphiphile: Quiz

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Question 1: Many biological compounds are amphiphilic: phospholipids, cholesterol, glycolipids, fatty acids, ________, saponins, etc.
Cholic acidMetabolismBile acidChenodeoxycholic acid

Question 2: Examples are ________ with large R groups, such as diacyl glycerol (DAG), and oligoethyleneglycols with long alkyl chains.
AldehydeEthanolAlcoholAlkane

Question 3: The lipophilic group is typically a large ________ moiety, such as a long chain of the form CH3(CH2)n, with n > 4.
AlkaneHydrocarbonPropanePetroleum

Question 4: Common amphiphilic substances are ________ and detergents.
Palm oilAluminiumSoapPotassium

Question 5: Amphiphile (from the Greek αμφις, amphis: both and φιλíα, philia: love, friendship) is a term describing a ________ possessing both hydrophilic (water-loving) and lipophilic (Fat-liking) properties.
ElectrochemistryChemical compoundChemistryInorganic chemistry

Question 6: ________ based surfactants are an example group of amphiphilic compounds.
PetroleumAlkanePropaneHydrocarbon

Question 7: Although phospholipids are principal constituents of biological membranes, there are other amphiphilic molecules, such as ________ and glycolipids, which are also included in these structures and give them different physical and biological properties.
AtherosclerosisLow-density lipoproteinCholesterolTrans fat

Question 8: ________ and some block copolymers are such examples.
ActinProteinMyosinMetabolism

Question 9: Amphiphilic compounds have lipophilic (typically hydrocarbon) structures hydrophilic polar ________ (either ionic or uncharged).
EthyleneAlcoholFunctional groupAlkane







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