Daily Practice
GCSE Science
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21st January 1990
- 1Red-shift and the Expanding Universe
State how the amount of red-shift is related to a galaxy's distance from Earth.
- 2Biology Required Practicals and Data Analysis
Why does taking repeat readings and calculating a mean improve the data?
- 3Cell Biology
A microscope has a x10 eyepiece lens and a x20 objective lens. Calculate the total magnification.
- 4Cell Structure and Microscopy
Where is the DNA found in a bacterial cell?
- 5Cell Division and Stem Cells
Give one risk of stem cell treatment.
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