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BiologyAQA (7402) / Edexcel (9BN0)Cell Biology

Cell Structure Explorer

AQA / Edexcel A-Level Biology

Cell structure is foundational to A-Level Biology across all exam boards. This interactive explorer lets you click on individual organelles — nucleus, mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, and more — to reveal their structure, function, and exam-relevant detail. Switch between animal, plant, and prokaryotic cell views. Includes comparisons between eukaryotic and prokaryotic cells, exam technique tips, and key terminology aligned to AQA and Edexcel specifications.

Uses Google Fonts (Instrument Serif, Work Sans). Requires an internet connection for full styling.

Frequently asked questions

What is the difference between a prokaryotic and eukaryotic cell?+
Prokaryotic cells (e.g. bacteria) lack a membrane-bound nucleus and membrane-bound organelles. Eukaryotic cells (e.g. animal and plant cells) have a true nucleus enclosed by a nuclear envelope, plus organelles such as mitochondria, endoplasmic reticulum, and Golgi apparatus.
What are the key organelles in an animal cell?+
Key organelles include the nucleus (contains DNA), mitochondria (aerobic respiration and ATP production), ribosomes (protein synthesis), rough and smooth endoplasmic reticulum, Golgi apparatus (modification and packaging of proteins), lysosomes (intracellular digestion), and the cell surface membrane.

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