Question

What are the steps that are common to $C_3$ and $C_4$ photosynthesis ?

Answer 1

Steps common in both $C_3$ and $C_4$plants

1. Both use RuBisCo during their photosynthesis process,

2. Open their stomata during daylight hours when both the light and dark reaction is occurring (same timing),

3. Absorb the non-acidic form of carbon.