Biology A-Level
Electron transport chain
What Electron transport chain means in Biology A-Level, as defined for OCR.
Definition of Electron transport chain
Check what you remember
Read the wording for your board, then hide it and explain Electron transport chain in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A series of electron carrier proteins embedded in the membrane to which NADH and FADH₂ deliver electrons.
Topics that use Electron transport chain
- 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
- Coenzymes
- Controlled stepwise release of energy
- Controlled variables
Using Electron transport chain 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