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Food is broken down mechanically by chewing. Saliva secreted from the salivary glands contains amylase which breaks down starch to maltose.
Ethanoic acid is CH3COOH. Acids can ionise, producing H+ ions and in this case, CH3COO (ethanoate) ions. The sodium exists as Na+ ions in solutio...
Size: prokaryotic cells tend to be smaller.Outer layers: prokaryotic cells have a cell membrane surrounded by cell wall, while eukaryotic cells have a cell membrane but o...
Diffusion is the movement of particles from a high to low concentration and does not require energy. An example of diffusion is oxygen moving from the airways (high concentration inhaled) to the lungs (lo...
Comprehension questions require you to demonstrate that you are able to translate the meaning of the Latin you are given, but do not require you to translate word-for-word. This means they are a great opp...
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