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biology exam Test

Enter the letter for the matching Answer
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1.
what are the main differences between eukaryotic and prokaryotic
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2.
what is the scientific control used for
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3.
what are 3 main components of cell theory
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4.
characteristics of life
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5.
what is osmosis
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6.
what type of reaction creates organic polymers
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7.
what does it mean for an enzyme to become denatured
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8.
6 elements found in living things (CHNOPS)
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9.
what is an enzyme
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10.
what is the substrate
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11.
what is diffusion
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12.
what is an enzyme and its substrate (the enzyme-substrate complex)
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13.
what is the difference between passive and active transport?
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14.
are enzymes used up in chemical reactions (enzymes may be reused)
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15.
what is the charge of each of the following subatomic particles
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16.
what are the 3 subatomic particles of an atom and where are they located???
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17.
what is metabolism
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18.
what are the steps of the scientific method
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19.
what is the active site
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20.
3 main differences between plant and animal cells
A.
hydrocarbons like ethylene and propylene
B.
observe, research, hypothesis, experiment, analyze, and conclude/retest
C.
1. organisms are made of cells 2. existing cells are made by other cells 3. the cell is the most basic unit of life
D.
ability to break down food and turn it into energy
E.
its used for comparison
F.
1. protons- positive + 2. nuetron- neutral 3. electron- negative -
G.
1. proton- nucleus 2. neutron- nucleus 3. electron- found in rings around the nucleus
H.
reactants that bind to enzyme at certain places of the active sites
I.
movement of a substance from a high to low concentration
J.
cell wall, chloroplast, vacuole
K.
eukaryotic have a nucleus, prokaryotic cells don't have one
L.
1. everything is made up of cells 2. environment 3. reproduce 4. utilize energy 5. development
M.
the substrate is a molecule upon which an enzyme acts
N.
enzymes are used to speed up chemical reactions
O.
carbon, hydrogen, nitrogen, oxygen, phosphorous, sulfur
P.
when the shape of the protein is altered so it can't be perform its function like usual
Q.
when water molecules diffuse from high concentration to low , when molecules distribute themselves evenly
R.
passive transport does not require energy to happen, but active transport does require energy
S.
enzyme=catalyst, aka a liquid or substance to speed up a chemical reaction
T.
where the substrate binds to an enzyme
Type the Answer that corresponds to the displayed Question.
incorrect
21.
dependent variable
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22.
the basic unit of living things
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23.
who discovered that all living things were cells
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24.
what element do all organic compounds contain
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25.
what is the formula for glucose ( C___ H___ O___)
Type the Question that corresponds to the displayed Answer.
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26.
steady internal conditions so the organism can survive
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27.
when waste is let out of cell my breaking the cell membrane, the opposite of endocytosis
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28.
Hooke: the first person to identify cells using a 3 lens microscope
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29.
variable you change

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