| Pronunciation: | | 'aktun
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 WordNet Dictionary |
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| | Definition: | |
[n] one of the proteins into which actomyosin can be split; can exist in either a globular or a fibrous form |
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ACTIN is a 5 letter word that starts with A. |
| | See Also: | | actomyosin, simple protein |
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| Biology Dictionary |
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| | Definition: | | One of two proteins involved in muscle contraction (see also myosin). Actin is found in both smooth and striated muscle and also serves as an important structural molecule for the cytoskeletons of many eukaryotic cells. |
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