9/13/22, 2:31 PM
22-23 REVIEW BIOMOLECULES
NAME :
CLASS :
22-23 REVIEW BIOMOLECULES
35 Questions
DATE :
1.
compound made up of Carbon, Hydrogen and oxygen and are main sources of energy for
living organisms
A
Nucleic Acid
B
Carbohydrate
C
Protein
D
Lipid
2.
single sugar molecules
A
Molecule
B
Sugar
C
Starch
D
Monosaccharide
3.
What biomolecule do enzymes belong to?
A
Lipid
B
Nucleic Acid
C
Protein
D
Carbohydrate
4.
Polymer's split apart to form ________, by __________.
A
amino acids, hydrolysis
B
monomers, dehydration synthesis
C
monomers, hydrolysis
D
amino acids, dehydration synthesis
5.
Macromolecules are made of repeating subunits called
A
polysaccharides
B
polymers
C
monomers
D
monosaccharides
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6.
What type of reaction is shown?
A
Hydrolysis
7.
Carbon forms ________ bonds with other atoms by sharing electrons with the other
elements.
A
peptide
B
ionic
C
hydrogen
D
covalent
8.
A _________ reaction removes a molecule of water to bond molecules together to create a
polymer.
A
water
B
dehydration synthesis
C
magical
D
hydrolysis
9.
B
Dehydration synthesis
How many water molecules are released in the formation of this
polymer?
A
3
B
1
C
4
D
2
10.
A polypeptide consist of a specific order of
11.
What component of an amino acid gives each amino acids it chemical properties?
A
amino group
B
carboxylic acid group
C
alpha carbon
D
side R group
12.
Which structure determines the overall shape of the protein?
A
secondary
B
quarternary
C
primary
D
tertiary
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13.
Provides structural support for plants
A
glycogen
B
triglyceride
C
disaccharide
D
cellulose
E
starch
14.
Examples include lactose, maltose, sucrose...
A
phospholipids
B
polysaccharides
C
disaccharides
D
monosaccharides
15.
Carbon, Hydrogen, Oxygen and Nitrogen are elements in what
biomolecule?
A
Nucleic acid
B
Protein
C
Carbohydrate
D
Lipid
16.
Triglycerides need….
A
1 glycerol and 3 fatty acid
B
3 glycol and 2 fatty acids
17.
What are example of nucleic acids
A
Thymine
B
Adenine
C
DNA
D
RNA
18.
What doesn’t have monomers
A
Proteins
B
Carbohydrates
C
Lipids
D
Amino acids
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19.
What is hydrolysis reaction
A
Splitting the bond using h2O
20.
Lipids are polar macromolecules
A
False
21.
The hydrophilic can interact with water
A
True
22.
Nitrogen is essential for living things because it is a primary component of
A
nucleic acids and some lipids
B
carbohydrates and nucleic acids
C
nucleic acids and proteins
D
carbohydrates and proteins
23.
Phosphorus is essential for living things because it is a primary component of
A
nucleic acids and some lipids
B
carbohydrates and nucleic acids
C
carbohydrates and proteins
D
nucleic acids and proteins
24.
Which reaction occurs during DNA replication?
A
hydrolysis
25.
When starch is digested in the human small intestine, the final product is simple
A
fatty acids
B
monosaccharides
C
nucleotides
D
amino acids
26.
What component of an amino acid gives each amino acids it chemical properties?
A
alpha carbon
B
side R group
C
carboxylic acid group
D
amino group
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B
Creating a polymer using h2O
B
True
B
False
B
dehydration synthesis
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27.
What do all lipids have in common?
A
able to hydrogen bond with water
B
hydrophobic
C
provides structure in plants
D
comprised of phosphorus
28.
What is the force that holds the 2 strands of DNA together?
A
hydrophobic interactions
B
hydrogen bonding
C
disulfide bonds
D
salt bridges
29.
The quaternary structure of a protein arises from
A
interactions between multiple
polypeptides.
B
interactions between R groups
C
hydrogen bonding along the protein
backbone
D
translation at the ribosome
30.
The two strands of DNA are always
A
replicated at the ribosome
B
covalently bonded to one another
C
antiparallel
D
semiconservative
31.
Identify the macromolecule in the image below.
A
lipid
B
protein
C
carbohydrate
D
nucleic acid
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32.
The image depicts which level of structure in proteins?
A
quaternary
B
secondary
C
tertiary
D
primary
33.
If a hydroxyl functional group is present, which of the following is
likely to be true?
A
The compound will dissolve in water.
B
The compound will not form hydrogen
bonds.
C
The compound is nonpolar.
D
The compound is hydrophobic.
34.
What is the molecule illustrated in the figure below?
A
a steroid similar to cholesterol
B
an unsaturated fatty acid
C
a trans polyunsaturated triacylglyceride
D
a saturated fatty acid
35.
The difference between the sugar in DNA and the sugar in RNA is that the sugar in DNA
A
has a six-membered ring of carbon and
nitrogen atoms.
B
can form a double-stranded molecule.
C
contains one less oxygen atom.
D
is a six-carbon sugar and the sugar in RNA
is a five-carbon sugar.
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22-23 REVIEW BIOMOLECULES
Answer Key
1.b
2.d
3.c
4.c
5.c
6.a
7.d
8.b
9.a
10.Amino acids
11.d
12.c
13.d
14.c
15.b
16.a
17.
18.c
19.a
20.a
21.a
22.c
23.a
24.b
25.b
26.b
27.b
28.b
29.a
30.c
31.b
32.b
33.a
34.d
35.c
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