You place a coleoptile in unidirectional light and then immediately cover the tip. Which of the following will happen?
A) The coleoptile will bend toward the light.
B) The coleoptile will not bend.
C) The coleoptile will bend away from the light.
D) The coleoptile will die.
E) The coleoptile will grow in a spiral pattern.

Question

Quizplus · Accepted Answer

The tip of the coleoptile is responsible for sensing light and initiating the bending response toward the light source. By covering the tip, you prevent light detection, resulting in the coleoptile not bending.

You Place a Coleoptile in Unidirectional Light and Then Immediately