Scale bar
What Scale bar means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definitions of Scale bar
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Reference: Pearson Edexcel
A feature used to establish scale and magnification, allowing the size of structures to be judged before they are identified.
A marker on an electron micrograph used to judge organelle size and to separate structures of similar appearance.
Topics that use Scale bar
- Topic 3: Voice of the Genome (Pearson Edexcel A-Level)
- Topic 4: Biodiversity and Natural Resources (Pearson Edexcel A-Level)
Related terms
- Acrosome
- Acrosome reaction
- Adaptation and speciation
- Allele frequency change over time
- Amyloplast
- Aseptic technique
- Binary fission
- Biodegradability
Using Scale bar in the exam
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