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plastid |
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plastid [′plas·təd] (cell and molecular biology) One of the specialized cell organelles containing pigments or protein materials, often serving as centers of special metabolic activities; examples are chloroplasts and leukoplasts. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Hedges argues that his team's data indicate that this complexity boost occurred much earlier, soon after plastids emerged. This energy parasite gene is present only in rickettsiae, chlamydiae, and plant plastids (6). Certain crops, including corn, do not inherit plastids in their pollen. |
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