Molecules & Enzymes | Complete Chapter 4 | O Level / IGCSE Biology

This video covers Chapter 4 — Biological Molecules & Enzymes as part of the O Level & IGCSE Biology series. Students will develop a clear understanding of carbohydrates, proteins, lipids, and the role of enzymes in biological reactions — including enzyme action, factors affecting enzyme activity, and their significance in living organisms — all explained in accordance with the official syllabus. Ideal for exam preparation, classroom revision, and self-study. 🔬 📌 Subscribe to stay updated with new lessons.