Look at the pic below and tell me which one to pick

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

What type of organism is a one-celled organism that functions as a single unit? a. bi-celled b. single-celled c. pre-celled d. multi-celled

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes