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Macromolecules, Enzymes
Test Description: Review for SOL
Instructions: Answer all questions to get your test result.
1) Which of the following macromolecules are a prominent part of animal tissues that function in insulation, helping animals conserve heat?
A
Carbohydrates
B
Nucleic Acids
C
Lipids
D
Proteins
2) What is the function of enzymes in biological systems?
A
Enzymes act as products to create new chemical reactions.
B
Enzymes act as catalysts to drive chemical reactions forward.
C
Enzymes bond with substrates to create the new reaction products.
D
Enzymes act as substrates when the necessary proteins are unavailable.
3) Peroxidase is an enzyme that breaks down hydrogen peroxide in cells. It accomplishes this because of its structure. What part of the enzyme is involved in catalytic activity?
A
Active site
B
Quaternary structure
C
Pleated sheet
D
Binding pocket
4) Proteins are formed from monomers (subunits) called —
A
nucleic acids
B
nucleotides
C
amino acids
D
fatty acids
5) Enzymes only work with specific substrates because each substrate —
A
actively interferes with other substrates around it
B
has a specific activation site for enzyme attachment
C
can only use a specific ionic bond with the enzyme
D
destroys its specific enzyme
6) Most cellular activities are processes regulated by the action of —
A
lipids
B
carbohydrates
C
enzymes
D
polysaccharides
7) Amino acids link together by peptide bonds to form proteins. In which cellular organelle would this process occur?
A
Mitochondrion
B
Ribosome
C
Lysosome
D
Golgi body
8) Both lipids and carbohydrates are important in animal cells because both —
A
store energy
B
provide insulation
C
form cell walls
D
contain nitrogen
9) C6H12O6 is an example of a:
A
carbohydrate
B
nucleic acid
C
lipid
D
protein
10) Something that is made up of a phosphate, deoxyribose, and a nitrogen base would be considered a:
A
lipid
B
protein
C
nucleic acid
D
carbohydrate
*select an answer for all questions
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