Textbook Question
Explain how enzymes function in chemical reactions.
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3. Energy & Cell Processes
Enzymes
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Which of the following are examples of the functions of enzymes?
A
A lactase enzyme breaking down lactose sugar in the small intestine.
B
A DNA polymerase enzyme synthesizing new strands of DNA.
C
A lipase enzyme breaking down fats (lipids) in the small intestine.
D
A helicase enzyme unraveling DNA so it can be replicated.
E
All of the above.
Verified step by step guidance1
Understand that enzymes are biological catalysts that speed up chemical reactions in the body without being consumed in the process.
Recognize that each enzyme is specific to a particular substrate or type of reaction. For example, lactase specifically breaks down lactose, a sugar found in milk.
Identify that DNA polymerase is an enzyme that facilitates the synthesis of new DNA strands by adding nucleotides to a growing DNA chain during DNA replication.
Acknowledge that lipase is an enzyme that breaks down lipids (fats) into fatty acids and glycerol, which occurs in the small intestine to aid in digestion.
Understand that helicase is an enzyme that unwinds the DNA double helix, allowing replication machinery to access the DNA strands for replication. This is crucial for DNA replication and repair processes.
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