Pls help this is a quiz

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

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Which of the following graphs have the same wavelengths