Which statement is true with respect to protonema?
it gives rise to sporophyte.
it produces male gametes.
it gives rise to gametophyte.

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms