Medical Quiz

Macromolecules & Enzymes Quiz


Preview:


What does not affect enzyme?

A. pH

B. temperature

C. amount of substrate

D. how much enzyme is being used


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 macromolecule is in oil and butter?

A. carbohydrate

B. lipid

C. protein

D. nucleic acid


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


What macromolecule has only carbon, hydrogen, and oxygen (CHO)?

A. lipid

B. carbohydrate

C. protein

D. lipid and carbohydrate


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 property of a protein affects its function?

A. How it folds (the shape)

B. How much energy it produces

C. What kind of protein it is

D. How much energy it absorbs


What macromolecule is in pasta?

A. carbohydrate

B. lipid

C. protein

D. nucleic acid


What macromolecule is in chicken, beans, eggs, and fish?

A. carbohydrate

B. lipid

C. protein

D. nucleic acid


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 is the optimal pH of enzyme A?

A. 8

B. 2

C. 5.7-10

D. 10


What macromolecule has only carbon, hydrogen, and oxygen, nitrogen, and phosphorous (CHONP)?

A. lipid

B. carbohydrate

C. protein

D. nucleic acid


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 macromolecule builds bone and muscle, speeds up chemical reactions, fights diseases, and transports material?

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


Based on the graph, what temperature does this enzyme work best?

A. 15 C

B. 40 C

C. 30 C

D. 47 C


Which macromolecule is your main source of energy (quick, short-term)?

A. carbohydrate

B. lipid

C. protein

D. nucleic


What type of macromolecule is this?

A. carbohydrate

B. lipid

C. nucleic acid

D. protein


Hemoglobin is a protein found in red blood cells that transports oxygen. If it is mutated then it is not as efficient in carrying oxygen. Why?

A. Mutated hemoglobin can still oxygen

B. Hemoglobin is a simple molecule

C. Structural changes of hemoglobin affects its ability to carry oxygen because the shape of protein impact its function

D. Normal hemoglobin must be larger than mutated hemoglobin


Correctly match the monomer and polymer.

A. nucleotide to lipid

B. amino acid to carbohydrate

C. monosaccharide to polysaccharide

D. fatty acid to protein


What macromolecule has only carbon, hydrogen, and oxygen, and nitrogen (CHON)?

A. lipid

B. carbohydrate

C. protein

D. nucleic acid


Correctly match the monomer and polymer.

A. nucleotide to lipid

B. amino acid to protein

C. monosaccharide to lipid

D. fatty acid to protein


Correctly match the monomer and polymer.

A. nucleotide to lipid

B. amino acid to carbohydrate

C. monosaccharide to protein

D. fatty acid to lipid


How do enzymes speed up chemical reactions?

A. provide energy for the reaction

B. absorb energy

C. lower the activation energy

D. increase the number of available reactant molecules




Disclaimer:

Medical Quiz should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational and educational purposes only.