Biology Quiz - Enzymes

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  • 1/5 Questions

    What is the 'shape' that an enzyme has and allows it to catalyse bodily reactions?

    • Active site
    • Active hearing
    • Inactive grumpy teen
    • Shape
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About This Quiz

This Biology Quiz on Enzymes explores key concepts about enzyme structure, function, and reaction conditions. It assesses understanding of enzyme activity, including denaturation and specific biochemical reactions, crucial for students in advanced biology courses.

Biology Quiz - Enzymes - Quiz

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  • 2. 

    When enzymes are in an environment past the temperature they work best at, they ___________.

    Explanation
    When enzymes are in an environment past the temperature they work best at, they denature. This means that the high temperature causes the enzyme's structure to change, disrupting its active site. As a result, the enzyme loses its ability to bind to its substrate and catalyze the reaction effectively. Denaturation can be irreversible, rendering the enzyme permanently inactive.

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  • 3. 

    What are the products of the chemical reaction that lipase catalyses?

    • Nitroglycerin and acid

    • Glycerol and fatty acid

    • Nitroglycerol and fatty acid

    • You and the person sitting next to you

    Correct Answer
    A. Glycerol and fatty acid
    Explanation
    Lipase is an enzyme that catalyzes the breakdown of lipids (fats) into their component parts. In this case, the products of the chemical reaction that lipase catalyzes are glycerol and fatty acid.

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  • 4. 

    Which is the odd one out?

    • Amylase

    • Protease

    • Lipase

    • Nomase

    Correct Answer
    A. Nomase
    Explanation
    Amylase, Protease, and Lipase are all enzymes that play a role in digestion. However, "Nomase" does not exist and is not a known enzyme. Therefore, "Nomase" is the odd one out as it does not belong to the category of digestive enzymes.

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  • 5. 

    One of the places protease is made is ______________.

    Correct Answer
    stomach
    Explanation
    Protease is an enzyme that helps in the breakdown of proteins into smaller peptides or amino acids. The stomach is one of the primary sites where protease is produced. The gastric chief cells in the stomach lining secrete an inactive form of protease called pepsinogen. When pepsinogen comes into contact with the acidic environment of the stomach, it is converted into its active form, pepsin. Pepsin then plays a crucial role in breaking down dietary proteins into smaller fragments, facilitating digestion. Hence, the stomach is a significant source of protease production in the body.

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  • Feb 14, 2025
    Quiz Edited by
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  • Nov 12, 2009
    Quiz Created by
    Twek22
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