Biology A-Level
Coenzymes
What Coenzymes means in Biology A-Level, as defined for OCR.
Definition of Coenzymes
Check what you remember
Read the wording for your board, then hide it and explain Coenzymes in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Small organic molecules that assist enzymes by carrying chemical groups or electrons between reactions, and are not proteins and not catalysts themselves.
Topics that use Coenzymes
- Respiration (OCR A-Level)
Related terms
- Acetyl coenzyme A
- Active transport and maintenance of gradients
- Anabolic reactions and biosynthesis
- ATP as the universal energy currency
- ATP synthase
- Controlled stepwise release of energy
- Controlled variables
- Data presentation, rate calculation and evaluation of error
Using Coenzymes 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.
Start free
All Biology A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge