Question

how many type of photosynthesis are there ?​

Answer 1

Explanation:

There are two types of photosynthetic processes:

1)oxygenic photosynthesis

Oxygenic photosynthesis is a non-cyclic photosynthetic electron chain where the initial electron donor is water and, as a consequence, molecular oxygen is liberated as a byproduct

2) anoxygenic photosynthesis

Anoxygenic photosynthesis is a bacterial photosynthesis that occurs under anaerobic conditions, using the photosynthetic electron transport chain in a non–cyclic mode and reduced inorganic electron donors, such as hydrogen sulfide, hydrogen, or ferrous ion, as electron donors.

Answer 2

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two types

There are two types of photosynthetic processes: oxygenic photosynthesis and anoxygenic photosynthesis.

Oxygenic photosynthesis

it is a non-cyclic photosynthetic electron chain where the initial electron donor is water and, as a consequence, molecular oxygen is liberated as a byproduct. The use of water as an electron donor requires a photosynthetic apparatus with two reaction centers.

Anoxygenic photosynthesis

it is the phototrophic process where light energy is captured and converted to ATP, without the production of oxygen; water is, therefore, not used as an electron donor.