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coiled thread-like structures of DNA and histone, which is a protein, in the cell nucleus. They are only visible as separate structures during the division of the nucleus (karyokinesis) during the cell cycle. Chromosomes are subdivided into genes and contain the 'genetic information' of a cell.
an atom or a group of atoms that has gained or lost one or more electrons and so has an electric...
tough cartilage that acts as a shock absorber between vertebrae and at the ends of bones in ball...
proteins that identify and neutralise foreign and potentially harmful antigens by binding onto...
a medical condition in which the body is unable to use its own insulin effectively.