reaction rates
What reaction rates means in Biology GCSE, as defined for OCR.
Definition of reaction rates
Check what you remember
Read the wording for your board, then hide it and explain reaction rates in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
How rapidly reactants disappear or products accumulate over time, calculated as volume of product formed or mass of substrate broken down divided by time taken.
Topics that use reaction rates
Related terms
- active site
- Amino acid sequence
- Complementary base pairing
- compound measures
- controlled variables
- denaturation
- double helix
- enzyme investigations
Using reaction rates in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Biology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge