Winslow Briggs tested the Cholodny-Went hypothesis. Briggs removed the tip of grass coleoptiles, divided the tips with a thin piece of mica, and measured the levels of auxin on the sunny and shady sides. Which statement best describes the conclusion of these experiments?

+1 vote

 


Auxin is destroyed on the sunny side of the coleoptile tip, which leaves more auxin on the shady side of the tip, promoting cell elongation on the shady side of the coleoptile.

Auxin is transported from the shady side to the sunny side of the coleoptile tip and then straight down the coleoptile, promoting cell elongation on the sunny side of the coleoptile.

Auxin is transported from the sunny side to the shady side of the coleoptile tip and then straight down the coleoptile, promoting cell elongation on the shady side of the coleoptile.

Auxin is destroyed on the shady side of the coleoptile tip, which leaves more auxin on the sunny side of the tip, promoting cell elongation on the sunny side of the coleoptile.

 
asked Dec 31, 2012 in Biology by anonymous
    

1 Answer

+1 vote

 

Auxin is transported from the sunny side to the shady side of the coleoptile tip and then straight down the coleoptile, promoting cell elongation on the shady side of the coleoptile.

 

answered Dec 31, 2012 by Panda ~Expert~ (1,557 points)

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