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1.
Name this molecule
which has a polar head
and two non-polar tails
and is used to make
cell membranes.
2. Molecules (like lipids) that are
“water fearing” and try to stay away
from water and other polar molecules
are called ___________________.
3.
Organisms like green plants that can
get their energy by making their own
food are called ________________.
4.
A “living thing” can also be called a(n)
____________________.
5. Name this molecule.
6. Tell the function of the molecule
above.
7. The nitrogen base that is NOT
found in RNA is _______________.
Adenine
Guanine
Cytosine
Thymine
Uracil
8. The process in which cells change
as they grow to become different
kinds of cells with different functions
is called _________________.
9. Type of reproduction in which
genetic material from two parents is
combined to produce offspring.
10. The sum of all the chemical
reactions that build up and break
down molecules in cells is called
_____________________.
11. Cells always try to maintain a
stable internal environment. This is
called ____________________.
12. Which of the following molecules
could you join together to make a
polysaccharide?
A.
B.
C.
D.
13.
A molecule with an uneven distribution
of electric charges (more positive on
one side and more negative on the
other) is called ____________.
14.Which of the molecules below is
an amino acid?
A
B
C
D
15.
The subunits used to make proteins
are ________________.
Amino
acids
Nucleic
acids
Sugars
lipids
nitrogen
bases
16. Which of the following molecules
could you use to build a DNA
molecule?
A.
B.
C.
D.
17. Animal cells store glucose as
________________.
starch
glycogen
cellulose
glycoproteins
ATP
18. DNA and RNA are both
_________________________.
Amino
acids
Nucleic
acids
carbohydrates
lipids
proteins
19. The science that studies all
living things is called ___________.
20. Water is a ________ molecule.
Polar
non-polar
21.
This type of chemical reaction is
called ________________.
22. Humans are _______ _______.
unicellular
OR
multicellular
autotrophs
OR
heterotrophs
#23.
#24.
#25.
Name 3 characteristics shared by all
living things.
26. The chemical symbol for a
potassium ion is ____.
27. The changing of a population of
organisms over time is called
______________ .
28. The protein molecule in red blood
cells that carries oxygen is called
________________.
29.
Name D in this diagram showing an
enzyme catalyzed reaction.
30. If this molecule was used to
make RNA tell one of the nitrogen
bases that could be used here.

31. _____________ is the opposite
of dehydration synthesis.
32. Which part of a phospholipids is
Polar?
Head
Tails