Multiple Choice
Which of the following statements about enzymes is correct?
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6. Enzymes and Enzyme Kinetics
Enzymes
Multiple Choice
Most enzymes are classified as which type of biological macromolecule?
A
Triacylglycerol (lipid)
B
Protein
C
Polysaccharide
D
DNA (nucleic acid)
Verified step by step guidance1
Understand that enzymes are biological catalysts that speed up chemical reactions in living organisms without being consumed in the process.
Recall the four major classes of biological macromolecules: proteins, nucleic acids, carbohydrates (such as polysaccharides), and lipids (such as triacylglycerols).
Recognize that enzymes are primarily composed of amino acids linked together in specific sequences, which fold into unique three-dimensional structures necessary for their catalytic activity.
Identify that this composition classifies enzymes as proteins, since proteins are polymers of amino acids and perform a wide range of functions including catalysis.
Conclude that among the options given (triacylglycerol, protein, polysaccharide, DNA), enzymes are most commonly classified as proteins.
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