NEW
Font size
S
M
L
XL
WorksheetsBiochemistry SOL Review
Total questions: 30
Worksheet time: 17mins
Name
Class
Date
1.
What are the building blocks of proteins?
a)
amino acids
b)
fatty acids
c)
glycerol
d)
monosaccharides
2.
What is adhesion?
a)
Water molecules sticking to water molecules
b)
Water molecules sticking to something else
c)
A film at the surface
3.
What type of bond is found inside of a water molecule?
a)
Covalent
b)
Hydrogen
c)
Ionic
d)
Peptide
4.
When water was poured down the string there were two properties or water that were in play. Water stuck to the string. This was adhesion. However, this worked better if the string was already wet. What property of water explains why?
a)
Cohesion
b)
Adhesion
c)
Surface Tension
d)
High Specific Heat
5.
You are given 6H2O. How many total Hydrogens are there?
a)
1
b)
2
c)
6
d)
12
6.
A solution has a pH of 6.4. Which description is most appropriate?
a)
Weak Acid
b)
Strong Acid
c)
Neutral
d)
Weak Base
7.
What type of ion is found in an acid?
a)
H+
b)
OH-
c)
H2O
d)
Hydroxide
8.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
9.
A class of biological molecules whose defining characteristic is their relative insolubility in water. Examples of these include steroids, oils, fats, and fatty acids.
a)
Polypeptide
b)
Lipids
c)
Fatty acid
d)
Enzyme
10.
This substance is considered a polar substance
a)
water
b)
oil
c)
butter
d)
gasoline
11.
Enyzmes are a very important type of protein used to
a)
Build bones in skeleton
b)
Send hormonal signals throughout body
c)
Speed up chemical reactions
d)
Photosynthesize glucose in plants
12.
The monomer of a nucleic acid is
a)
Monosaccharide
b)
Amino Acid
c)
Nucleotide
d)
Triglyceride (3 Fatty Acids and 1 Glycerol)
13.
What particle provided the positive charge for an atom?
a)
proton
b)
neutron
c)
electron
d)
nucleus
14.
Which particle contributes the negative charge to the atom?
a)
proton
b)
electron
c)
neutron
d)
nucleus
15.
The monomer of a nucleic acid is
a)
Monosaccharide
b)
Amino Acid
c)
Nucleotide
d)
Triglyceride (3 Fatty Acids and 1 Glycerol)
16.
The purpose of nucleic acids is to store
a)
Water
b)
Minerals
c)
Genetic Information
d)
Energy
17.
Which of the following is an example of nucleic acids?
a)
DNA
b)
Monosaccharides
c)
Triglyceride
d)
Lard
18.
Acids are found on the pH scale between which numbers?
a)
0-7
b)
7
c)
7-14
d)
19-42
19.
What is a solution that has an excess of hydroxide (OH-) ions?
a)
pH
b)
acid
c)
neutral
d)
base
20.
A solution that is _____ has a pH of 7.
a)
acidic
b)
basic
c)
neutral
d)
none of the above
21.
the central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
22.
what is dissolved in the solvent
a)
solute
b)
solvent
c)
solubility
d)
solubility
23.
a compound, either RNA or DNA, made up of one or two chains of nucleotides
a)
Nucleic Acid
b)
Amino Acid
c)
Enzyme
d)
Active site
24.
Protein that serves as a catalyst in biological functions.
a)
Nucleotide
b)
Enzyme
c)
Monomer
d)
Base
25.
Bond that forms when one or more electrons are transferred from one atom to another.
a)
Covalent
b)
Hydrogen
c)
Ionic
d)
Metallic
26.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
27.
How does your body use lipids?
a)
Primary source of energy
b)
energy storage and insulation
c)
speeds up chemical reaction
d)
defense
28.
Enzymes are able to speed up chemical reactions because they -
a)
increase the temperature inside the cell
b)
reduce the friction between the reactants
c)
make the raw materials more chemically reactive
d)
lower the activation energy of the reaction
29.
What is the activation energy?
a)
The energy of the products
b)
The energy of the reactants
c)
The minimum energy needed by the reactants to form the products.
d)
The energy lost in the reaction
30.
salt water is a
a)
compound
b)
element
c)
heterogeneous mixture
d)
solution
Reset
