Which of the enzyme-substrate pairings is incorrect? Group of answer choicesPepsin-proteinLipase-fatNuclease-DNAAmylase-starchTrypsin-carbohydrates
Question
Which of the enzyme-substrate pairings is incorrect?
- Pepsin - protein
- Lipase - fat
- Nuclease - DNA
- Amylase - starch
- Trypsin - carbohydrates
Solution
To determine which of the enzyme-substrate pairings is incorrect, let's analyze each option:
-
Pepsin - Protein: Pepsin is a digestive enzyme that breaks down proteins into peptides. This pairing is correct.
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Lipase - Fat: Lipase is an enzyme that breaks down fats (lipids) into fatty acids and glycerol. This pairing is correct.
-
Nuclease - DNA: Nucleases are enzymes that break down nucleic acids like DNA and RNA into nucleotides. This pairing is correct.
-
Amylase - Starch: Amylase is an enzyme that catalyzes the hydrolysis of starch into sugars. This pairing is correct.
-
Trypsin - Carbohydrates: Trypsin is a digestive enzyme that acts on proteins, not carbohydrates. This pairing is incorrect.
Final Answer
The incorrect enzyme-substrate pairing is Trypsin - Carbohydrates.
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