unit 5: cell membrane and transport Flashcards
what are glycoproteins?
polypeptides with a carbohydrate
what do glycoproteins do?
allow recognition from other cells
what is a carbohydrate?
a short chain of monosaccharides linked by glycosidic bonds
what are 3 possible types of oligosaccharides?
o, a, and b
what are the non-polar solvents?
ethanol, toluene, and propanone
when are lipids soluble?
in aqueous solvents (hydrophobic)
what are examples of commonly occurring lipids?
fats, oils, and waxes
how are triglycerides formed?
by combining 3 fatty acids with 1 glycerol
how is an “ester bond” formed?
formed when a acid reacts with a hydroxyl in alcohol
what reaction links a triglyceride?
condensation reaction
what backbone is the hydrophilic part of a fatty acid?
glycerol backbone
are triglycerides hydrophobic or hydrophilic?
hydrophobic
what are triglycerides otherwise known as?
phospholipids
what is the unbranched chain of fatty acids made of?
carbon atoms
what bond forms a hydrocarbon chain?
covalent bonds
what is the acid part of a molecule?
a carboxyl (-COOH)
what range of carbon atoms do hydrocarbon chains have?
14-20
what is a fatty acid with single bonds and a max amount of hydrogen?
saturated fatty acid