IGCSE A Level Chemistry Online Tests
Catalysis MCQ (Multiple Choice Questions) PDF Download
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The MCQ: Human enzymes start to denature at the temperature above; "Catalysis" App Download (Free) with answers: 40 °C; 65 °C; 95 °C; 15 °C; to learn online certification courses. Practice Catalysis Quiz Questions, download Apple eBook (Free Sample) for 2 year online degrees.
Catalysis MCQs: Questions and Answers PDF Download
Enzymes are large molecules, generally made up of
- carbohydrates (CxH2nOn)
- proteins
- vitamins
- lipids
Human enzymes start to denature at the temperature above
- 40 °C
- 65 °C
- 95 °C
- 15 °C
The enzymes in bacteria found in hot springs have an optimum temperature of
- 95 °C
- 70 °C
- 25 °C
- 55 °C
The enzymatic activity takes place at
- low temperature
- high temperature
- constant
- zero
Due to change in their shape, the enzymes no longer attach substrate leaving the enzyme as
- active
- denatured
- destroyed
- efficient
IGCSE A Level Chemistry Practice Tests
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