RUSSELL KIGHTLEY / SCIENCE PHOTO LIBRARY RUSSELL KIGHTLEY / SCIENCE PHOTO LIBRARY
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Budding yeast cell. Computer illustration of a section through a yeast (Candida albicans) cell that is reproducing asexually. A daughter cell (top left) is budding from the parent cell. A mitochondrion (elongated oval) and other cellular components are moving into the daughter cell along cytoskeletal filaments (black lines). Mitochondria produce the cell's energy, while the cytoskeleton gives it its shape. The nucleus (towards top of parent cell) contains the cell's genetic information. Inside the nucleus is the nucleolus (dark, round), which synthesises ribosomal ribonucleic acid (RNA). The outer surface of the cell wall is covered with fimbriae, which attach the cell to other cells and aid movement. C. albicans causes the disease thrush.
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