pre-equilibration of biological reagents
What pre-equilibration of biological reagents means in Biology GCSE, as defined for OCR.
Definition of pre-equilibration of biological reagents
Check what you remember
Read the wording for your board, then hide it and explain pre-equilibration of biological reagents in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Placing enzyme and substrate solutions into separate boiling tubes and keeping them in the water bath for at least 5 minutes before mixing, so the reaction commences precisely at the set incubation temperature.
Topics that use pre-equilibration of biological reagents
- Rates of enzyme-controlled reactions (OCR GCSE)
Related terms
- colorimetric and indicator endpoints
- digital stopwatch
- gas collection apparatus
- graduated measuring syringes
- initial rate and tangent calculations
- parallax error
- safe laboratory heating
- spotting tile sampling technique
Using pre-equilibration of biological reagents 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