Answer:
The pyrenoid, a dense structure inside or beside chloroplasts of certain algae, consists largely of ribulose biphosphate carboxylase, one of the enzymes necessary in photosynthesis for carbon fixation and thus sugar formation. Starch, a storage form of glucose, is often found around pyrenoids.
It’s B. Genetic modified organisms
Hii...so the answer is
The four layers are the external oblique, internal oblique, transverse abdominals.
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