Daily Practice · GCSE Science

Daily Practice - GCSE Science

9th March 1998

5 questions · GCSE · 584 questions in this band

1
Cell Structure and Microscopy
Convert 0.05 mm into micrometres.
2
Cell Division and Stem Cells
How many pairs of chromosomes are there in a human body cell?
3
Transport in and out of Cells
State three factors that increase the rate of diffusion.
4
Organisation
An amylase reaction is complete after 200 seconds. Calculate the rate of reaction using rate = 1000 / time.
5
The Digestive System and Enzymes
What is an enzyme?

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