The diagram shows molecules involved in an enzyme controlled reaction - Scottish Highers Human Biology - Question 8 - 2019
Question 8
The diagram shows molecules involved in an enzyme controlled reaction.
active site
molecule Z
molecule Y
Which row in the table identifies these molecules?
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Worked Solution & Example Answer:The diagram shows molecules involved in an enzyme controlled reaction - Scottish Highers Human Biology - Question 8 - 2019
Step 1
Identify Molecule X
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Answer
Molecule X fits into the active site, indicating it is the substrate. The substrate is the molecule that an enzyme acts upon during a reaction.
Step 2
Identify Molecule Y
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Answer
Molecule Y is shown as a non-competitive inhibitor. This type of inhibitor binds to an enzyme at a site other than the active site, preventing the enzyme from functioning properly.
Step 3
Identify Molecule Z
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Answer
Molecule Z is classified as the enzyme itself, which acts upon the substrate (Molecule X) in the enzyme-controlled reaction.
Step 4
Select the Correct Row
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Answer
Based on the identification of the molecules, the correct row in the table is A: Molecule X is a substrate, Molecule Y is a non-competitive inhibitor, and Molecule Z is an enzyme.
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