Which of the following conclusions is supported by the research of both Peter Boysen-Jensen and Charles and Francis Darwin on shoot responses to light?
A) When shoots are exposed to light, a chemical substance migrates toward the light.
B) A chemical substance involved in shoot bending is produced in shoot tips.
C) Once shoot tips have been cut, normal growth cannot be induced.
D) Light stimulates the synthesis of a plant hormone that responds to light.

Question

Quizplus · Accepted Answer

Both Boysen-Jensen and the Darwins found that the chemical substance involved in shoot bending was produced in the shoot tip. This supports the conclusion that a chemical substance involved in shoot bending is produced in shoot tips.

Which of the Following Conclusions Is Supported by the Research