The part of the enzyme where the substrate binds is called the

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

This is so important ugh its 25 points

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi