What are the nitrogenous bases in dna? which pair together?

What are the headings of a data table

Does mitochondria still meet the definition of a eukaryote why or why not?

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.