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ap bio unit 1 Test

Enter the letter for the matching Definition
incorrect
1.
full valence shell=
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2.
hydrogen bonds are
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3.
starch
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4.
glucose shape
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5.
atoms with an ALMOST full valence shell
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6.
functional groups
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7.
disulfide bond
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8.
enzymes
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9.
bioenergetics
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10.
bond that requires the most energy to break
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11.
polar covalent bond
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12.
two classes or organic compounds that provide energy for living systems include
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13.
primary level of complexity
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14.
cystine has ____ in ____
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15.
hydrolisis
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16.
2nd law of thermodynamics
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17.
tertiary level of complexity
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18.
the number of protons determined the
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19.
ions are formed when
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20.
nucleotide structure
A.
atomic number
B.
lower activation energy NEEDED, special protein (shape), molecules must be close in proximity and in particular 3D orientation, speed up rate of reaction, does not affect products, can be reused
C.
S-S, hold 3D shape together
D.
carb, monomer:glucose (1000s), storage of energy for plants
E.
have a high electronegativity
F.
a neutral atoms gains or loses an electron
G.
eletctrons are SHARED UNEQUALLY, closer to 1 atoms than the other because of difference in electronegativity
H.
breaking apart polymers into monomers by ADDING H2O (OH to one molecule)(H to the other), what happens when we digest our food
I.
S, R group
J.
responsible for unique chemical properties of organic molecules
K.
the flow of energy in living systems
L.
the energy in the universe is becoming increasingly disorganized (entropy), organized states of matter contain high amounts of free energy but during transformations some free energy is lost
M.
RING (occasionally chain)
N.
five-carbon sugar, phosphate group, nitrogenous base
O.
fats (lipids), and polysaccharides (carbs)
P.
covalent bond
Q.
3D globular shape, caused by R groups
R.
inert (Ar)
S.
unique sequence of amino acids, determined by DNA
T.
between MOLECULES not atoms
Type the Definition that corresponds to the displayed Term.
incorrect
21.
lipids have _____ energy than carbs and burn _____
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22.
chemical reactions that require a net input of free energy to proceed
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23.
when a protein is denatured the _______ bonds remain intact
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24.
bonds between amino acids
Type the Term that corresponds to the displayed Definition.
incorrect
25.
high difference in electronegativity, if O or N is bonded with weak C or H
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26.
where reactions happen in an enzyme, will only fit certain molecules, determined by R groups, opposites attract, R group folding causes shape
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27.
the highlighted bond in water is a polar covalent bond
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28.
polar, mixes with water
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29.
Cs are double bonded
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30.
bind to a second site on the enzyme and induce a conformational change

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