Which of the Following is a Receptor That Responds to Light

Question

Which of the following is a receptor that responds to light?
A)phytochrome
B)phototropin
C)gibberellins
D)cytokinins
E)Phytochrome and phototropin are correct.

Accepted Answer

Phytochrome and phototropin are both receptors that respond to light. Phytochrome is involved in detecting red and far-red light, while phototropin is involved in blue light perception. Gibberellins and cytokinins are plant hormones, not light receptors.