Stem cells are unspecialized and self-renewing cells that can differentiate into any cell type. Their potential to differentiate toward a certain cell type is influenced by either internal or external ...
When a cell is able to take up free DNA or RNA, it is termed “competent”. Some cell types or microbial species, such as Bacillus subtilis, 11 are naturally competent and they can be induced to uptake ...
Even larger human cells - like the skin cell - are 20 times smaller than a grain of salt. A red blood cell is much smaller than that. To allow us to see detail in these cells, we need the help of a ...
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