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(D) $F$. Skoog and his co-workers observed that from the internodal segments of tobacco stems,the callus (a proliferation of parenchymatous cells) pro

Vedclass · Accepted Answer

Kinetin

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(D) $F$. Skoog and his co-workers observed that from the internodal segments of tobacco stems,the callus (a proliferation of parenchymatous cells) proliferated only if,in addition to auxin,the nutrients medium was supplemented with one of the following: extracts of vascular tissues,yeast extract,coconut milk,or $DNA$.Later,Miller et al. identified and crystallized the cytokinesis-promoting active substance that they termed $Kinetin$.$F$. Skoog is credited with the discovery of $Kinetin$,which is a type of cytokinin.

$F$. Skoog discovered

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