State the function of nitrogen fixation

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.

What are some characteristics of a free enterprise economy?

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry