How to do this question plz answer me

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

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

Nh3 +02-no + h20 is unbalanced what is the balanced equation