Phototropin is a
A) type of phytochrome.
B) type of hormone receptor.
C) type of hormone.
D) blue-light receptor.
E) transcription factor.

Question

Quizplus · Accepted Answer

Phototropin is a blue-light receptor protein found in plants that is involved in the response to light, particularly in regulating phototropism (the bending of plants towards light) and chloroplast movement. It is not a type of phytochrome, hormone receptor, hormone or transcription factor.

Phototropin Is a