Question

photosynthetic bacteria have:
a.photosystem ll. b.photosystem l

c.Both a & b. d.None of the a & b​

Answer 1

Answer:

a and b understand it properly

Answer 2

Answer:

Sulfur bacteria have only photosystem I, whereas others (e.g., cyanobacteria) have both photosystem I and photosystem II. ... with the origin of cyanobacteria that had both photosystem I and photosystem II.

Therefore ur answer is option (c) i.e. both (a) and (b)

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