Daily Practice · GCSE Science

Daily Practice - GCSE Science

5th March 1999

5 questions · GCSE · 584 questions in this band

1
Cell Division and Stem Cells
Give one risk of stem cell treatment.
2
Transport in and out of Cells
Explain why a plant cell placed in pure water does not burst.
3
Organisation
Explain why the rate of an enzyme-controlled reaction decreases sharply above the enzyme's optimum temperature.
4
The Digestive System and Enzymes
Explain what happens to an enzyme above its optimum temperature.
5
The Circulatory System and Heart
Name the substance in red blood cells that binds oxygen.

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