Download Biology 12 - Biologically Important Molecules – Review Worksheet

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Transcript
Biology 12
Ms. Kuiper
Name:
Block:
Biology 12 – Biological Molecules – Review Worksheet

Part A: Mix and Match: Match the term on the right with the definition on the left. Each term can be used
only once. Write the letter of the best answer in the box to the left of the definition. (1/4 mark each -- total of
10 marks for this section)
Q
P
DD
I
W
C
J
GG
1)
2)
3)
4)
5)
6)
7)
8)
BB
9)
B
10)
Y
II
11)
12)
H
13)
O
14)
K
A
E
Z
15)
16)
17)
18)
T
R
N
19)
20)
21)
F
M
HH
X
G
22)
23)
24)
25)
26)
V
CC
AA
EE
FF
JJ
U
S
D
L
LL
KK
27)
28)
29)
30)
31)
32)
33)
34)
35)
36)
37)
38)
water-"loving"
water-"fearing"
two or more polypeptide chains coming together and bonding with each other
to permanently change the 3 dimensional structure of a protein
the subunit that makes up nucleic acids - 4 types in DNA are A C G T
the smallest unit of matter that cannot normally be broken into smaller particles
the process of breaking down large fat droplets into smaller fat droplets
the loose association of amino acids in a polypeptide chain with each other,
usually through H-bonds. e.g. alpha helix, beta pleated sheet
the linear sequence of amino acids in a protein, which ultimately determines its
shape
the building block of protein -- there are 20 different kinds normally found in
nature
the bond that forms between two amino acids joined by dehydration synthesis
the 3-D shape of a polypeptide chain due to it folding back on itself and forming
bonds.
creating a bond between two atoms by taking OH from one atom and H from the
other
breaking a bond between two atoms by adding OH to one atom and H to the
other
biological catalysts, composed of protein, that speed up chemical reactions
ATP - the molecule that carries energy in the cell
any molecule with the molecular formula Cn(H2O)n
an important component of cell membranes, has a hydrophilic head, hydrophobic
tail
an enzyme that breaks down maltose to two glucose molecules
an atom or molecule that has either lost or gained electrons
a weak bond due to the attraction between partial charges on hydrogen, oxygen,
and nitrogen atoms
a polymer of glucose, used as a structural component of plant cell walls
a polymer of glucose, used as a storage form for glucose in animals
a polymer of glucose, used as a storage form for glucose in plants
a loss of Hydrogen atoms (or electrons)
a lipid that is an important component of cell membranes and from which steroid
hormones are made
a lipid composed of glycerol joined to 3 fatty acids
a large organic molecule formed from a chain or chains of amino acids
a large molecule made by joining together smaller identical (or similar) molecules
a gain of Hydrogen atoms (or electrons)
a fatty acid whose carbons are all joined to the maximum number of hydrogens
a fatty acid that has a "kink" in it due to a double bond between carbon atoms
a disaccharide consisting of two glucose molecules
a class of molecules that includes neutral fats and steroids
a chemical that resists changes in pH
a 6 carbon sugar that forms a 6-membered ring -- used as energy source by cells
three carbon that joins with fatty acids to produce triglycerides
molecules that store genetic information (e.g. DNA and RNA)
A)
B)
C)
D)
E)
F)
G)
H)
adenosine triphosphate
amino acid
atom
buffer
carbohydrate
cellulose
cholesterol
dehydration synthesis
I)
denature
J)
emulsification
K)
L)
enzymes
glucose
M)
glycogen
N)
hydrogen bond
O)
P)
Q)
R)
hydrolysis
hydrophobic
hydrophilic
ion
S)
T)
U)
lipid
maltase
maltose
V)
W)
X)
Y)
Z)
neutral fat
nucleotide
oxidation
peptide bond
phospholipid
AA)
BB)
CC)
DD)
EE)
FF)
GG)
HH)
II)
JJ)
KK)
LL)
polymer
primary structure
protein
quarternary structure
reduction
saturated fatty acid
secondary structure
starch
tertiary structure
unsaturated fatty acid
nucleic acids
glycerol
MOLECULE HANDOUT
In order from left to right
Water
glucose
maltose
Animo acid
dipeptide
phospholipid
Unsaturated fat
saturated fat
neutral fat (triglyceride)
Cholesterol
pyrimidine
purine
ATP
DNA
negative feedback loop