What happens during the Calvin cycle? What is required for it to happen (does it need light? Where does the cycle take place?)

2 answers

From Internet:

There are two stages of Photosynthesis –

Light-dependent reactions – As the name suggests, it requires light and mainly occurs during the daytime.

Light-independent reactions – It is also called the dark reaction or Calvin cycle or C3 cycle. This reaction occurs both in the presence and absence of sunlight.
The cycle takes place in the stroma of chloroplast, yes it needs light, it mostly needs CO2, but the calvin cycle is a process that turns CO2 into sugar.