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40 Cards in this Set

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In a protein, what is the NHN part called?
Amino Group
In a protein, which elements connect to form a peptide bond?
C and N
A carboxyl group contains?
COOH
What is it when H2O is being withdrawn?
dehydration synthesis
What is it when H2O is being added?
hydrolysis
Glucose is a hex or pentose?
Hexose
Is fructose a hex or pentose?
Pent
Sucrose is a...
disaccharide
A lipid is made of a what plus what?
Glycerol w/ 3 fatty acids.
If in a lipid it has one of the three fatty acids w/ a double bond is it sat. or unsat.?
unsaturated
5 properties of water are...
1)High surface tension
2)Capillary action (tubes)
3)High heat of vaporization
4)Resists temperature change
5)Expands when freezes
Example of high surface tension?
Bugs able to walk on water.
Example of capillary action
water going up tubes in trees
Example of high heat of vaporization
sweat cooling body
example of resisting temp. change.
takes pool long time to get warm
example of water expanding?
when water gets in cracks of rocks and freezes it breaks apart rock
Carbs are made of?
monosaccharides
examples of carbs?
starch, glycogen, cellulose, sugars
plants store sugar as...
starch
animals store sugar as...
glycogen
paper is made of...
cellulose
Lipids are made of
glycerol + 3 fatty acids
examples of lipids...
fats, oils, waxes, steroids, soap, hormones, phospholipids
are lipids soluble in water?
no
fats ____ at room temp.
Oils ____ at room temp.
solid

liquid
proteins made of...
amino acids
examples of proteins...
collagen, keratin
how do amino acids differ?
The R-groups
radical groups
Nucleic acids made of...
mucleotides
examples of nucleic acids
DNA
RNA
What is the diff. b/w sat. and unsat.
sat. filled w/ hydrogen
unsat.
diff. b/w sat. and unsat?
sat filled w/ hydrogen
unsat. has room for 2 more hydrogens if not for double bonds
dehydration goes to the
right
hydrolysis goes to the
left
a catalyst is...
substance that speeds up chemical processes
enzymes are
catalysts in living things
enzymes are usually
proteins
H+ = OH-
neutral
more H+
acid
more H-
base