After a series of experiments,it was conclude | vedclass

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(D) The experiments conducted by Charles Darwin and his son Francis Darwin on canary grass coleoptiles demonstrated that the coleoptile tip is the sit

Vedclass · Accepted Answer

$A-$ tip; $B-$ bending

Vedclass · Answer

(D) The experiments conducted by Charles Darwin and his son Francis Darwin on canary grass coleoptiles demonstrated that the coleoptile tip is the site of perception of light.When the tip was removed or covered,the coleoptile did not bend towards the light.This indicated that the tip produces a transmittable influence (later identified as auxin) that causes the bending of the entire coleoptile towards the light source.Therefore,$A$ is the tip and $B$ is the bending.

After a series of experiments,it was concluded that the ...$A$... of coleoptile was the site of transmittable influence that caused the ...$B$... of the entire coleoptile. Complete the given statement with the correct combination of options given in the codes below.

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