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The main role of white blood cells is to protect the body against invasion by disease-causing microorganisms (pathogens), such as bacteria or viruses. They do this in 2 main ways: phagocytosis and antibod...

There are 5 stages of mitosis. Prophase, Metaphase, Anaphase, Telophase and Cytokinesis. An easy mnemonic is Pee (on the) MAT Cat. Prophase - 3 things oc...

Glycogen levels are expected to increase in the liver after a meal. This is due to the digestion of the meal leading to an increase in blood sugar levels, triggering insulin release from the pancreas. Ins...

Enzymes are proteins, which are made up of long chains of aminoacids. Proteins have a primary structure (the sequence of aminoacids in the chain), a secondary structure (specific 3D shapes of the chain fo...

The electron transport chain is a collection of proteins (complexes), of which there are 4 types, whose purpose is to pump protons into the intermembrane space. These pro...