Question

define a light reaction​

Answer 1

Answer:

the reaction of something, especially the iris of the eye, to different intensities of light.

2.

BIOCHEMISTRY

the reaction which occurs as the first phase of photosynthesis, in which energy in the form of light is absorbed and converted to chemical energy in the form of ATP.

Answer 2

Answer:

photosynthesis, the light-dependent reactions take place on the thylakoid membranes. The inside of the thylakoid membrane is called the lumen, and outside the thylakoid membrane is the stroma, where the light-independent reactions take place.