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WorksheetsCCHS PAP BIO Biochemistry Unit Test Review
Total questions: 61
Worksheet time: 15hrs 1mins
Name
Class
Date
1.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
2.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
3.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
4.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
5.
Which biomolecule is also known as enzymes?
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
6.
Which biomolecule contains pastas and breads?
a)
Lipid
b)
Protein
c)
Nucleic Acid
d)
Carbohydrate
7.
Which biomolecule is made of nucleotides and contain your DNA?
a)
Carbohydrate
b)
Lipids
c)
Protein
d)
Nucleic Acid
8.
Which biomolecule helps form muscles?
a)
Nucleic Acid
b)
Carbohydrate
c)
Protein
d)
Lipids
9.
Which biomolecule is responsible for insulation and energy storage?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
10.
Which biomolecule has sugars and starches?
a)
Lipids
b)
Proteins
c)
Carbohydrates
d)
Nucleic Acid
11.
Which biomolecule contain your genetics?
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
12.
Which biomolecule is made of amino acids?
a)
Nucleic Acid
b)
Carbohydrate
c)
Protein
d)
Lipid
13.
Which biomolecule contains fats, oils, and waxes?
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
14.
Which biomolecule includes fats, such as triglycerides, oils, waxes, and steroids (cholesterol); insoluble in water; provides energy storage, insulation, part of cell membrane, and hormones
a)
Nucleic Acid
b)
Lipids
c)
Carbohydrate
d)
Protein
15.
Which biomolecule contains Deoxyribonucleic acid; a sequence of bases that makes hereditary code; Ribonucleic acid; translate hereditary code into proteins that determine how the cell will function under various conditions; provides storage and retrieval of information; encode genes, gene expression, helps make proteins
a)
Nucleic Acid
b)
Lipid
c)
Carbohydrate
d)
Protein
16.
What do monomers do?
a)
Bonds to make a Polymer
b)
Creates Protiens
c)
Stores energy
d)
Splits to make more cells
17.
The monomer of a protein is called...
a)
an amino acid
b)
a monosaccharide
c)
a fatty acid
d)
a nucleotide
18.
MANY monomers can be linked together to form ______________.
a)
molecules
b)
plastic material
c)
polymers
d)
balloons and silly putty
19.
How was the structure in the image built?
a)
By adding 1 H2O
b)
By adding 2 H2O
c)
By removing 1 H2O
d)
By removing 2 H2O
20.
The image is an example of a
a)
Lipid
b)
Polysaccaride
c)
Protein
d)
Lipid (polypeptide)
21.
Building blocks of polymers.
a)
monomer
b)
polypeptide
c)
monosaccharide
d)
glycerol
22.
Which of the following is NOT a biomolecule?
a)
Water
b)
Nucleic Acid
c)
Protein
d)
Lipid
23.
What is the monomer for a protein?
a)
Monosaccharide
b)
Triglyceride
c)
Amino Acid
d)
Nucleotide
24.
The process that builds molecules by removing water to bind them together is
a)
Hydrolysis
b)
Protein Synthesis
c)
Dehydration Synthesis
d)
Lysis
25.
Which foods are high in protein?
a)
Meats, cheeses, milk, eggs
b)
Breads, pasta, grains
c)
Butter, oil, lard
d)
Apples, Bananas, Grapes
26.
What is the functions of lipids?
a)
Quick source of energy
b)
Builds muscles, skin, enzymes
c)
Stores genetic information
d)
Stores energy, insulation, protection
27.
Which of the following is an example of a nucleic acid?
a)
Glucose
b)
Phospholipid
c)
Enzymes
d)
DNA
28.
The chemical reaction that breaks down a molecule by adding water is
a)
Dehydration Synthesis
b)
Hydrophobia
c)
Hydrolysis
d)
Dehydration
29.
This biomolecule would be used for
a)
Building enzymes
b)
Storing long term energy
c)
Short term source of energy
d)
Storing genetic information
30.
Lipids are made of
a)
monosaccharides
b)
amino acids
c)
glycerol and 3 fatty acids
d)
nucleotides
31.
How do enzymes speed up chemical reaction?
a)
Increasing activation energy
b)
Decreasing activation energy
c)
Increasing deactivation energy
d)
Decreasing deactivation energy
32.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
33.
Each enzyme only has 1 substrate that will fit its active site. What is this called?
a)
reusable
b)
denaturation
c)
specific
d)
fragile
34.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
35.
The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
a)
Enzymes increase the energy of the reactants.
b)
Enzymes decrease the energy level of the products.
c)
Enzyme decrease the activation energy of the reaction.
d)
Enzymes reverse the direction of the reaction.
36.
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 .
37.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
38.
Based on the graph, what is the optimal temperature for this enzyme?
a)
15oC
b)
40oC
c)
30oC
d)
35oC
39.
Enzymes are...
a)
nucleic acids
b)
proteins
c)
lipids
d)
carbohydrates
40.
What is the function of an enzyme?
a)
enzymes break themselves into small pieces
b)
enzymes slow down chemical reactions
c)
enzymes speed up chemical reactions
d)
enzymes combine products to form reactants
41.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered denature
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
42.
Which of these is NOT true?
a)
Enzymes can denature (change shape) when the temperature gets too high.
b)
Enzymes can only be used once in a chemical reaction.
c)
Extreme pH can denature enzymes.
d)
Enzymes speed up chemical reactions.
43.
Which of these is most likely an enzyme?
a)
Sucrose
b)
Galactose
c)
Fructose
d)
Amylase
44.
The pH at which an enzyme is most efficient is called the _________ pH of an enzyme.
a)
neutral
b)
optimum
c)
minimum
d)
experimental
45.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
46.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
47.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
48.
Letter E...
a)
active site
b)
enzyme
c)
substrate
d)
products
49.
Which shows the correct complementary base pairing for DNA?
a)
C-A, T-G
b)
A-G, C-T
c)
C-G, U-A
d)
T-A, G-C
50.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
51.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
52.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
ribosome
d)
nucleus
53.
Nucleotides are made up of a sugar, phosphate, and..?
a)
nitrogenous base
b)
nucleic acid
c)
cholesterol
d)
fatty acid
54.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
55.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
56.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
57.
The drawing shows the structure of what molecule?
a)
A DNA molecule
b)
A lipid molecule
c)
A carbohydrate molecule
d)
A protein molecule
58.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
59.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
60.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
61.
What will the matching sequence be on a strand that reads AAGCTAT?
a)
AACGATA
b)
TTCGTTA
c)
CCTGATA
d)
TTCGATA
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