Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
- 1Red-shift and the Expanding Universe
Name the second major piece of observational evidence, besides red-shift, that supports the Big Bang model.
- 2Biology Required Practicals and Data Analysis
In the microbiology practical, why are agar plates incubated at 25 degrees Celsius in schools rather than at 37 degrees Celsius?
- 3Cell Biology
Convert 0.02 mm into micrometres (um).
- 4Cell Structure and Microscopy
Why is a stain such as iodine used when preparing a slide?
- 5Cell Division and Stem Cells
What happens to the DNA before mitosis begins?
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