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BSC2085 1st Exam Test

Enter the letter for the matching Answer
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1.
pH scales range from...
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2.
Inert Elements don’t...
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3.
Colloids
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4.
Each amino acid consists of...
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5.
Mass
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6.
Monosaccharides
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7.
Five classes of lipids
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8.
Electrons
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9.
Activation Energy
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10.
How many electrons can the 1st energy level hold?
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11.
Chemical Bonds
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12.
Molecule
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13.
Buffers
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14.
Mole
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15.
Polar Covalent Bonds
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16.
Atoms are composed of these three subatomic particles
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17.
Disaccharides
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18.
2 classes of nucleic acid molecules
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19.
pH of stomach acid
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20.
Ions
A.
Any chemical structure consisting of atoms held together by covalent bonds
B.
Atoms or molecules that carry an electric charge, either positive or negative; have an unequal number of protons and electrons.
C.
Amount of material in matter; physical property that determines the weight of an object in Earth’s gravitational field
D.
DNA and RNA
E.
Protons, Neutrons, and Electrons
F.
Covalent bonds involving an unequal sharing of electrons
G.
Solution containing dispersed proteins and other large molecules; particles remain in solution indefinitely
H.
Compounds that stabilize the pH of a solution by removing or replacing hydrogen ions
I.
Readily participate in chemical processes
J.
0-14
K.
Hold participating atoms together once the reaction has ended
L.
Amount of energy required to start a reaction
M.
A central carbon atom A hydrogen atom An amino group A carboxyl group An R Group
N.
Two monosaccharides joined together
O.
2
P.
1
Q.
Fatty acids,Eicosanoids,Glycerides, Steroids, and Phospholipids and Glycolipids
R.
Quantity with a weight in grams equal to that element’s atomic weight
S.
Negative electrical charge
T.
Simple sugar; contains 3 to 7 carbon atoms
Type the Answer that corresponds to the displayed Question.
incorrect
21.
Neutrons
Type the Question that corresponds to the displayed Answer.
incorrect
22.
Chemical bonds created by the electrical attraction between anions and cations
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23.
Glucose and Fructose
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24.
Capacity to perform work; cannot be destroyed only converted
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25.
Compact, generally rounded; product of its tertiary structure
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26.
Lipids derived from arachidonic acid, a fatty acid that must be absorbed in the diet because it cannot be synthesized by the body
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27.
The total number of protons plus neutrons in the nucleus; is used to designate isotopes.
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28.
one of the bonds in a complex Molecule is broken and the components of a water molecule are added to the resulting fragments
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29.
An organic compound containing carbon, hydrogen and oxygen in a 1:2:1 ratio
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30.
The sum of the atomic weights of its component atoms

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