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Name: ___________________________________________ Class: ________________ Date: ______________________
Unit 2 Review Sheet (10/03 – 10/24)
1.
What are the 3 particles that
make up an atom? What are their charges (positive, negative, neutral)?
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2.
Define (in terms of # of
protons, neutrons, and/or electrons): Atomic Number and Atomic Weight.
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3.
Use the following
information about Carbon to determine the number of protons, neutrons and electrons in a neutral atom of
Carbon: Atomic Weight = 12, Atomic Number = 6
# protons: __________
# neutrons: __________
# electrons: __________
4.
What is the difference
between ionic and covalent bonding?
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5.
What type of bonding (or
“attraction”) allowed me to “float” a paperclip on top of water? Why does a water molecule have “partial
charges?” What do we call this? Draw a few water molecules to show how this bonding occurs between water
molecules.
6.
According to the pH scale,
what values define an acid? A base? Neutral?
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7.
Complete the table below on
Organic Compounds:
Organic Compound
Building Blocks
Important function
Example
Glucose
Amino Acids
n/a
Fat
DNA, RNA
8.
What two elements BOTH
must be found in organic compounds? Give me one example of an organic and inorganic compound.
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9.
What indicator is used to
determine if starch is present in a compound? What does a positive test look like?
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10.
What indicator is used to
determine if glucose is present in a compound? What does a positive test look like?
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11.
What indicator is used to
determine if a solution is acidic or basic? What do the results look like if the solution is acidic? Basic?
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12.
What does the Cell Theory
state (hint: there are three parts)?
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13.
Define the function of the
following cell organelles:
a.
b.
c.
d.
e.
f.
g.
h.
(smooth and rough):
14.
Nucleus :
Cell Membrane:
Ribosome:
Vacuole:
Mitochondria:
Chloroplast:
Cell Wall:
Endoplasmic Reticulum
What 2 cell organelles are
found in plant cells but NOT animal cells?
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15.
16.
What is the equation for
photosynthesis? What ORGANELLE does photosynthesis take place in?
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What is the equation for
cellular respiration? What ORGANELLE does cellular respiration take place in?
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17.
Draw a diagram to show the
relationship/cycle between cellular respiration and photosynthesis.
18.
What can ATP be used for?
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19.
What does paper
chromatography allow us to do (hint: use your review book)?
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20.
What is a catalyst? What do
we call a biological catalyst? What type of organic molecule (carbohydrate, lipid, protein or nucleic acid)is the
biological catalyst?
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21.
What do we call the
reactants of an enzyme-catalyzed reaction? ______________________________________
22.
Where in an enzyme does
the reaction take place? _________________________________________________
23.
Why are enzymes like a lock
and key? Explain.
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24.
What two environmental
factors affect the function of an enzyme?
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25.
What is synthesis?
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