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The above message seems so obvious with the data presented in the chart – so obvious to be almost irrefutable. Two little facts further strengthen its creditability. First, the above correlation is ...

The Notch signalling pathway plays fundamental roles in diverse developmental processes in metazoans, where it is important in driving cell fate and directing differentiation of various cell types.

Ciliary and rhabdomeric photoreceptor cells represent two main lines of photoreceptor-cell evolution in animals. The two cell types coexist in some animals, however how these cells functionally ...