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Place the steps tor the formation of the enzyme pepsinogen in correct order

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is