Macromolecules & Enzymes Quiz
Preview:
What macromolecule builds bone and muscle, speeds up chemical reactions, fights diseases, and transports material?
A. carbohydrate
B. lipid
C. protein
D. nucleic acid
Correctly match the monomer and polymer.
A. nucleotide to lipid
B. amino acid to carbohydrate
C. monosaccharide to protein
D. fatty acid to lipid
Why are enzymes important?
A. Help keep pH stable
B. Help increase rate of reaction
C. Allow the cell to use energy to make food
D. Provide cells with energy for life functions
What type of macromolecule is this?
A. carbohydrate
B. lipid
C. nucleic acid
D. protein
If you did not have an immediate source of energy, which macromolecule would your body use?
A. lipid
B. nucleic acid
C. protein
D. carbohydrate
What is happening in the last step?
A. The substrates are forming a bond
B. The substrate is binding to the enzyme
C. The active site is reforming
D. The catalyzed reaction is releasing the product
Based on the graph, what temperature does this enzyme work best?
A. 15 C
B. 40 C
C. 30 C
D. 47 C
Correctly match the monomer and polymer.
A. nucleotide to nucleic acid
B. amino acid to lipid
C. monosaccharide to lipid
D. fatty acid to protein
What macromolecule is in oil and butter?
A. carbohydrate
B. lipid
C. protein
D. nucleic acid
What macromolecule has long-term energy, insulation, and is part of the cell membrane?
A. carbohydrate
B. lipid
C. nucleic acid
D. protein
Correctly match the monomer and polymer.
A. nucleotide to lipid
B. amino acid to protein
C. monosaccharide to lipid
D. fatty acid to protein
If the enzyme is functioning at 55 degrees and a pH of 8, but its optimal temperature is 60-80 C and pH is 3. What conditions will increase rate of enzyme?
A. Decreasing the temperature to 22 and pH is kept the same
B. Temperature is kept the same and pH is decreased to 6
C. Temperature is increased to 90 and pH is kept the same
D. Temperature is increased to 70 and pH is decreased to 4
What does not affect enzyme?
A. pH
B. temperature
C. amount of substrate
D. how much enzyme is being used
Which macromolecule is your main source of energy (quick, short-term)?
A. carbohydrate
B. lipid
C. protein
D. nucleic
What macromolecule has only carbon, hydrogen, and oxygen (CHO)?
A. lipid
B. carbohydrate
C. protein
D. lipid and carbohydrate
