Biology A-Level
Preventing contamination from air and surfaces
What Preventing contamination from air and surfaces means in Biology A-Level, as defined for OCR.
Definition of Preventing contamination from air and surfaces
Check what you remember
Read the wording for your board, then hide it and explain Preventing contamination from air and surfaces in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Working close to a Bunsen flame with upward air currents and lifting lids rather than removing them fully reduces contamination.
Topics that use Preventing contamination from air and surfaces
- Use of apparatus and techniques (OCR A-Level)
Related terms
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- Apparatus selection
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- Clarity and convention in biological drawing
- Colorimetry and calibration
- Computer modelling
Using Preventing contamination from air and surfaces in the exam
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