منابع مشابه
Repetitive but not redundant
L ike a parachute jump, mitosis can go badly wrong unless every connection is sound. The repetitive DNA sequences located at centromeres help secure mitotic links, Bassett et al. show (1). Contradicting previous evidence that the sequences are expendable, the study indicates that they help attract proteins necessary to repair faulty chromosome connections. Centromeres ensure that mitotic spindl...
متن کاملRetinal Coding of Visual Scenes— Repetitive and Redundant Too?
Visual information reaches the brain by way of a fine cable, the optic nerve. The million or so axons in the optic nerve represent an information bottleneck in the visual pathway-where the fewest number of neurons convey the visual scene. It has long been thought that to make the most of the optic nerve's limited capacity the retina may encode visual information in an optimally efficient manner...
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ژورنال
عنوان ژورنال: Journal of Cell Biology
سال: 2010
ISSN: 1540-8140,0021-9525
DOI: 10.1083/jcb.1902if