Daily Practice
GCSE Science
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12th December 1991
- 1Organisation
State the type of large biological molecule that all enzymes are made from.
- 2The Digestive System and Enzymes
Explain what happens to an enzyme above its optimum temperature.
- 3The Circulatory System and Heart
Name the substance in red blood cells that binds oxygen.
- 4Plant Tissues, Transport and Transpiration
Why does a potometer measure water uptake rather than transpiration directly?
- 5Infection and Response
Name the vector that spreads the protist pathogen that causes malaria.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1991, including the monthly compilation PDF.