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Bio Chem 150
Exam 3
54
Biochemistry
Undergraduate 2
12/05/2010

Additional Biochemistry Flashcards

 


 

Cards

Term
Ketone/Aldehyde + Alcohol =
Definition
hemiacetal/hemiketals
Term
Cyclic Hemiacetal Formation
Definition
double bond to oxygen is broken..H+ catalyst is added to the new single bond oxygen..New bond is formed and H of alcohol is removed
Term
Hemiacetal Formation
Definition
OH is added above the aldehyde/ketone carbon..remaining portion is added below
Term
2 alcohols + aldehyde/ketone =
Definition
acetal/ketal
Term
Hydration of Alkenes
Definition
alcohol is added from the water molecule to the carbon with the most double bonds (markovinoviks rule)
Term
Oxidation of Alcohols
Definition
2 Hydrogens are removed to create a double bond - can be from any two things (ie. two from 1 carbon or 1 from oxygen 1 from carbon)
Term
Oxaidation of alcohol catalyst
Definition
K2CR2O7
Term
Oxidation of Thiols creates..
Definition
a disulfide
Term
Oxidation of Thiol formation
Definition
I2 is used to combine two thiols
Term
reduction of aldehydes and ketones formation
Definition
carbon oxygen double bond is broken to create an alcohol
Term
ketone/aldehyde + H2 =
Definition
reduction/alcohol
Term
1 2 3 alcohols
Definition
based on how many carbons are attached to the carbon of origin
Term
Basic Amino Acids @ pH 7
Definition
+1
Term
Acidic Amino Acids @ pH 7
Definition
-1
Term
Basic Amino Acids @ pH 14
Definition
0
Term
Acidic Amino Acids @ pH 14
Definition
-1
Term
Basic Amino Acids @ pH 0
Definition
+1
Term
Acidic Amino Acids @ pH 0
Definition
0
Term
1 degree alcohol is oxidized to create
Definition
an aldehyde
Term
an aldehyde is oxidized to create
Definition
a carboxylic acid
Term
2 degree alcohol is oxidized to create
Definition
a ketone
Term
3 degree alcohol is oxidized to create
Definition
no reaction
Term
B Keto acids are decarcoxylated (heat) to form
Definition
ketones and co2
Term
a keto acids are decarboxylated (pyruvate/decarboylase) to form
Definition
aldehydes + co2
Term
naming aldehydes
Definition
add AL to the ending (ie. methanal)
Term
naming ketones
Definition
add ONE to the ending (ie. propanone)
Term
fischer projections are based on the..
Definition
last chiral carbon
Term
FP alcohol on right =
Definition
D enantiomer
Term
FP on the Left =
Definition
L enantiomer
Term
regular to Deoxy Sugars
Definition
one or more alcohols are replaced
Term
regular glucose is deoxified
Definition
oxygen is removed
Term
Hexose has
Definition
2 alcohol ends
Term
regular to amino sugars
Definition
1 or more Hydrogens are replaced with NH2's
Term
regular to alcohol sugars
Definition
aldehyde end is reduced to form an alcohol end
Term
Haworth Projection is a cyclic sugar molecule focused on the 5th carbon (1 carbon = first H-OH)
Definition
5th carbon Ch2OH
Term
OH's on the right are placed
Definition
down
Term
OH's on the left are placed
Definition
up
Term
5 carbon CH2OH up =
Definition
D sugar
Term
5 carbon CH2OH down =
Definition
L sugar
Term
Pyranose
Definition
6 member carbon ring
Term
furanose
Definition
5 member carbon ring
Term
bond between 2 monosaccharides
Definition
glycosidic bond
Term
anomeric carbon
Definition
carbon 1 in a cyclic monosaccharide
Term
disaccharide =
Definition
2 D glucopyranose molecules with a glycosidic bond at 1-4
Term
4 types of amino acid sidechains
Definition
non polar, polar acidic, polar basic, polar neutral
Term
nonpolar amino acid sidechains
Definition
hyrdocarbon chain
Term
polar acidic amino acid sidechain
Definition
carboxylic acid
Term
polar basic amino acid sidechain
Definition
hydrocarbon and amino acids
Term
polar neutral amino acid sidechains
Definition
polar groups capable of a hydrogen bond (alcohol, phenols, amides)
Term
carboxylic acids react with an amine to create
Definition
ammonium salts
Term
ammonium salts are heated to create
Definition
an amide + water
Term
ammonium salt
Definition
C=ONH4
Term
amide
Definition
O=C-NH2
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