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This is a searchable collection of scientific photos, illustrations and videos. Permission is granted to use these products for educational, news media or research purposes, provided the source for each is credited. The material in this collection may not be used to promote or endorse commercial products or services.

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Fruit fly ovary

A fruit fly ovary, shown here, contains as many as 20 eggs. Fruit flies are not merely tiny insects that buzz around overripe fruit--they are a venerable scientific tool. Rese more...

A study published in March 2012 used cryo-electron microscopy to determine the structure of the DNA replication origin recognition complex (ORC), a semi-circular, protein comp more...

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Zebrafish embryo Developing zebrafish fin Fibroblasts with nuclei in blue, energy factories in green and the actin cytoskeleton in red Fruit fly spermatids

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This page last reviewed on April 26, 2011