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Electron Transport Chain Concept Map for Biology Students

See how NADH and FADH2 pass electrons through the complexes to build a proton gradient. Then turn your own lecture notes or PDF into a map.

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CogniGuide at a glance

What you get
Interactive mind maps of the main ideas and how they connect. Free: overview maps (detailed maps on your first 3 creations). Plus: detailed maps with supporting concepts.
Exports
Your first PDF or PNG export is free; Plus exports anytime.
Price
Free plan: 5 creations a week, up to 3 a day. Plus: $9.99/month or $99.90/year (USD; local prices at checkout).
Sign-up
A free account is required before you create anything (Google or email). No credit card.
What you can upload
PDF, Word (.docx), PowerPoint (.pptx), plain text or Markdown, and images (PNG, JPG, WebP, GIF), or type a topic. One file per creation on the free plan; several at once on Plus.

How it compares: vs Knowt · vs Quizlet · vs NotebookLM · vs Mapify

Build Your Own Chain Map

Start from your textbook chapter, lecture slides or a simple topic name.

Map from your own material

Upload a PDF, DOCX, PPTX or notes file and AI organizes the chain into branches.

Expand any complex

Open a node like Complex IV to add detail on carriers, inhibitors and outputs.

Quiz yourself on the map

Turn the finished map into a quiz, or make flashcards from the same notes for exam practice.

How to Make an Electron Transport Chain Map

Three steps from your notes to a study-ready diagram.

  1. 1

    Add your material

    Upload your chapter, slides or notes, or type the topic electron transport chain.

  2. 2

    AI builds the map

    The chain, complexes, carriers and ATP synthase appear as expandable branches.

  3. 3

    Study, expand and quiz

    Refine nodes, export a PNG or PDF, then test yourself before the exam.

Electron Transport Chain Concept Map: Structure and Flow

The electron transport chain is the final stage of cellular respiration, located in the inner mitochondrial membrane. It passes electrons from NADH and FADH2 through a series of carriers. Their energy pumps protons across the membrane, and the resulting gradient drives ATP production.

  • Electron donors: NADH and FADH2 deliver high-energy electrons from earlier pathways
  • Protein complexes: Complexes I to IV each pass electrons and pump protons
  • Mobile carriers: Ubiquinone and cytochrome c shuttle electrons between complexes
  • Proton gradient: Protons build up in the intermembrane space
  • ATP synthase: Protons flow back through it, producing ATP from ADP

Use this map to review the order of carriers and where protons are pumped before an exam. A map built from your own lecture notes will match your course, and CogniGuide can create one in minutes.

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Electron Transport Chain Questions

Answers to common questions on this topic and on making your own map.

Where does the electron transport chain take place?

In eukaryotes it takes place on the inner mitochondrial membrane, the cristae. In bacteria it occurs on the cell membrane. The chain is embedded in the membrane with its complexes spanning the bilayer.

What is the final electron acceptor?

Oxygen is the final electron acceptor. It combines with electrons and protons to form water. Without oxygen the chain stops, so aerobic respiration cannot continue.

Which file types can I use to make my own chain map?

You can upload PDF, Word (DOCX), PowerPoint (PPTX), text or Markdown files, or an image of your notes. You can also type a topic instead.

Is it free to create a concept map with CogniGuide?

Yes, the free plan allows 5 creations a week with no payment needed. Paid plans raise those limits. You can also turn a finished map into a quiz.