What macromolecules make up the cell wall in plants

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z

How is transcription similar to translation in terms of base pairing?

Which of the following organisms are capable of self-fertilization? a.plants b.tigers c.humans