Year 12 Biology
The cell cycle and cell division
The cell cycle, mitosis and the stages of cell division, binary fission in prokaryotes, how viruses replicate, and how uncontrolled cell division leads to cancer and how treatments target it.
The cell cycle and cell division free practice
No timer and no account needed. Check each answer as you go, then read the explanation.
1. A cell measures 2.4 cm long in a drawing made at ×200. What is the actual length?
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