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AP Biology Unit 1 Test

Enter the letter for the matching Answer
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1.
What is the other side of this DNA chain? TAGGCCT
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2.
How many valence electrons does Carbon have?
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3.
What is the number of moles of solute per liter of solution?
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4.
What is the atomic mass of an oxygen atom that has an atomic number of 8 and a mass number of 16?
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5.
What property does the absorbtion and release of heat when hydrogen bonds break and form cause?
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6.
Is a trace element essential for an organism?
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7.
Each of the 20 differnt amino acids has a different what?
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8.
What do you do to convert a nucleoside to a nucleotide?
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9.
What reaction breaks down polymers by using water?
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10.
How many molecules of glycerol would be present in 1 L of a 1 M glycerol solution?
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11.
What is the mechanism in which the end product of a metabolic pathway inhibits an earlier step in the pathway?
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12.
What are the substances that you end a reaction with called?
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13.
What structual level of a protein is least effected by a disruption in hydrogen bonding?
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14.
What four of the 25 elements that are naturaly found in nature make up about 96% of living matter?
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15.
What does the reactivity of an atom depend on?
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16.
How do the sturctures of glucose and frutose differ?
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17.
What is the group SH?
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18.
In a single molecule of water what is the type of bondage that bonds the two hydrogen molecules to the single oxygen molecule?
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19.
Who refutes the concept of vitalism?
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20.
What is the dissolving agent of a solution?
A.
sulfhydryl group
B.
16 daltons
C.
high specific heat
D.
add phosphate to the nucleoside
E.
hydration
F.
yes
G.
Miller
H.
presence of upaired electrons in the outer valence shell of the atom
I.
carbon, hydrogen, nitrogen, oxygen
J.
molarity
K.
6.02x10^23
L.
primary level
M.
side chains (R groups)
N.
polar covalent bonds
O.
solvent
P.
products
Q.
feedback inhibition
R.
ATCCGGA
S.
arrangement of carbon, hydrogen, and oxygen atoms
T.
4
Type the Answer that corresponds to the displayed Question.
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21.
When one of the atoms sharing electrons is much more elctronegative than the other atom the covalent bond is said to be what?
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22.
What happens to the kinetic enegry of a drink when it is cooled with an ice cube?
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23.
What functional group is most likely to be responcible for an organic molcule acting like a base?
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24.
What reaction assembles polymers by using water?
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25.
What type of attraction is illistrated by the following statement?: The slight negative charge at one end of one water molecule is attracted to the slight positive charge of another water molecule.
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26.
What type of interaction stablizes the alpha helix and the beta pleated sheet structes of proteins?
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27.
What arises from the existence of unpaired electrons in the valence shell?
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28.
What is often refered to as the universal solvent?
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29.
State the stronger of alpha glycosidic likage or a beta glycosidic linkages.
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30.
What do elements form when they share pairs?

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