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Lab Review 1
Stuff
15
Biology
Undergraduate 1
02/19/2007

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Cards

Term
what reagent is used to test for the presence of starches?
Definition
iodine
Term
what reagent is used to test for the presence of monosaccharides?
Definition
benedict's
Term
what reagent is used to test for the presence of proteins?
Definition
biuret
Term
when biuret was added to a protein, what color indicated the presence of a protein?
Definition
purple
Term
when biuret was added to a protein, what color indicated the absence of a protein?
Definition
blue
Term
when iodine was added to a starch, what color indicated the presence of a starch?
Definition
dark purple
Term
when iodine was added to a starch, what color indicated the absence of a starch?
Definition
yellow
Term
when benedict's was added to a monosaccharide, what color indicated the presence of a monosaccharide?
Definition
red/copper
Term
when benedict's was added to a monosaccharide, what color indicated the absence of a monosaccharide?
Definition
blue
Term
what atom does red represent?
Definition
oxygen
Term
what atom does yellow represent?
Definition
hydrogen
Term
what atom does black represent?
Definition
carbon
Term
what atom does blue represent?
Definition
nitrogen
Term
what are the 3 types of microscopes we need to know?
Definition
compound light
scanning electron
transmission electron
Term
what does parfocal mean?
Definition
that once it's focused the first time it's pretty much done
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