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This is a very important skill - for GCSE, above and below! The first stage is to read the poem at least twice, first just going over it, and the second time underlining or highlighting things that you find ...

The simple past is formed with an auxiliary verb plus the past participle. The two auxiliary verbs are essere and avere . When to use avere Avere is the most common auxiliary verb. It is used with transative...

Mitosis consists of four basic phases. 1. Prophase 2. Metaphase 3. Anaphase 4. Telophase It is a common mistake to believe that interphase is part of mitosis. In fact, interphase is just a preparation stage ...

PRIMARY PROTEIN STRUCTURE This is the sequence of amino acids in a polypeptide chain. These are bonded together by strong covalent bonds . SECONDARY PROTEIN STRUCTURE The secondary structure is the shape tha...

Lipids are a great energy reserve in both plants and animals . This is due to the greater number of carbon-hydrogen bonds present in comparison to carbohydrates. It also acts as an insulator against heat los...