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lab reagents
biology
10
Biology
Undergraduate 1
10/30/2011

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Cards

Term
Biuret
Definition
test for peptide bonds
positive test turns purple
negative blue
Term
Millions
Definition
test for tyrosine
positive test turns dark purple
negative is clear or no change
Term
Diphenylamine
Definition
test for Nucleic acids
positive test turns blue
negative green
Term
Benedicts
Definition
test for glucose and monosacharides and some di
positive turns brown
negative is blue
Term
Potassium- iodide
Definition
test for starch
positive is blue
negative is brown
Term
Iodine number
Definition
test for unsaturated bonds
more bonds is darker brown
small amount is lighter
Term
Lipids
Definition
unsaturated and saturated fat
steroids
triglyceride is made with dehydration and broken with hydrolysis
Term
carbohydrates
Definition
3-7 carbons are monosaccharides
5 is pentose
6 is hexoses
starch is plants
glycogen animals
cellulose is cell walls
Term
protien
Definition
proteins are polymers made of amino acids
3 carbon 2 oxygen and nitrogen
peptide bond
Term
nucleic acid
Definition
dna
phosphate nitrogen and pentose
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