How terms are used or the meaning of words as used in scientific literature. Questions should ideally include a link or quote as context for where the term was encountered.

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Definition of “essentially diploid”

While researching the F12 cell culture medium (Ham, 1965), I came across the term "essentially diploid Chinese hamster ovary cells". The terms "subdiploid" and "near diploid" were also used to refer ...
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Color perception vs shade perception demo

I can't seem to find one of the best demos I've seen of color vs brightness perception. It consisted of a rotating animation of earth made of red of bright red points on a dark green background. As ...
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More general usage of the term 'congener'

In taxonomy the term 'congener' refers to two species within the same genus. In more colloquial usage, it can refer to any two objects within the same category. Is there a way to refer to related ...
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Sexually homologous traits

When papers refer to traits as being sexually homologous do they refer to traits which are: a) present in both sexes but can be dimorphic (e.g. body size is sexually homologous because both sexes ...
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Neuston vs pleuston

I was recently reading about the wonderful chondrophores, and came across the terms "neuston" and "pleuston". According to Wikipedia, "neuston" are "the organisms that float on the top of water ... ...
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Are upstream activating factor (UAF) and upstream binding factor (UBF) the same thing?

During ribosome pre-40S and pre-60S synthesis, many sources state the importance of UAF or UBF in initiation complex of ribosome DNA transcription. None of the sources I've seen mentions the other ...