During experimentation, why is it difficult t | vedclass

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(D) It is difficult to attribute an observed effect to a single hormone because of the following reasons:$1$. Phytohormones are synthesized by plant c

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All of the above.

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(D) It is difficult to attribute an observed effect to a single hormone because of the following reasons:$1$. Phytohormones are synthesized by plant cells individually, but they often exhibit overlapping functions. For example, both $Auxins$ and $Gibberellins$ $(GA)$ can promote stem elongation.$2$. There is no separate, dedicated system for the translocation of each hormone; they often move through the same pathways, leading to intermixed effects.$3$. Phytohormones often act synergistically or antagonistically. For instance, $Ethylene$ and $Abscisic$ $Acid$ $(ABA)$ support each other in various physiological roles.$4$. The effects of phytohormones observed $in$ $vitro$ (in a laboratory setting) often differ significantly from those observed $in$ $vivo$ (within the living organism) due to the complex interaction of multiple signaling pathways.

During experimentation, why is it difficult to attribute any observed effect to a single hormone?

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