compound measures
What compound measures means in Biology GCSE, as defined for OCR.
Definitions of compound measures
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Reference: OCR
Quantities that quantify the speed of physical or biological processes per unit time, formed by dividing a measured quantity by elapsed time.
Measures such as the rate of a reaction, reflecting the volume of oxygen gas produced or volume of carbon dioxide absorbed per unit of time.
Measures that combine two or more different base dimensions to quantify a biological relationship per unit of time or space.
Topics that use compound measures
- Photosynthesis (OCR GCSE)
- The challenges of size (OCR GCSE)
- What happens in cells (and what do cells need)? (OCR GCSE)
Related terms
- controlled variables
- denaturation
- line of best fit
- active site
- active transport of minerals
- Amino acid sequence
- arteries
- axis scaling
Using compound measures in the exam
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