????Part 3️⃣ Predicted IGCSE Biology Questions for 2026 Exams ????

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Prepare properly for the IGCSE Biology 2026 exams:

• Full IGCSE Biology Course (notes, solved past papers & video lectures):
https://www.chem-bio.info/igcse-biology-online-free-class

• Live IGCSE Biology Classes on Zoom (every Wednesday):
https://www.chem-bio.info/register_live_classes

• Biology eBook & Notes Library (exam-ready revision):
https://www.chem-bio.info/ebooks-library#bio

This video covers one of the predicted IGCSE Biology 2026 exam questions on enzymes.

You are asked to explain why enzymes are necessary for biological processes.
In this short explanation, we focus on the exact exam-marking points students need:

• Enzymes are biological catalysts
• They speed up chemical reactions
• They do this by lowering activation energy
• Without enzymes, reactions would occur too slowly to sustain life
• Enzymes allow reactions to happen at lower temperatures, suitable for living cells

This is the level of detail examiners expect for 4–5 mark questions, written in clear, mark-scheme language to help you score full marks in the IGCSE Biology 2026 exams.

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