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If you’re starting IB Biology, water might look like the easiest  topic. Two hydrogens. One oxygen. Done… right? Not quite. Water is actually the topic that determines whether students understand biology  or just memorise it. Because every major unit later depends on understanding why water behaves the way it does . Whether it be enzymes, membranes, respiration, or transport for example. So in this guide, we’re going to break down IB Biology Topic A1.1 Water clearly and log

Welcome to Cell City: Exploring Organelles and How Cells Work. Ever wondered what makes up you or any living thing on Earth? The answer starts with the cell!

Biochemistry doesn’t have to feel overwhelming, not when you break it down the right way. In this post, we’re diving into the essential biological molecules that every high school biology or intro bio student should understand: water, the pH scale, and the four major macromolecules — carbohydrates, lipids, proteins, and nucleic acids.

If there’s one biology topic that consistently trips up high school students, it’s macromolecules. Those ever essential building blocks of life like carbohydrates, proteins, lipids, and nucleic acids.

Stay organized and motivated with our free progress trackers for AP, GCSE, iGCSE, and IB Biology & Chemistry. Download now!