Bet answer gets 50 which organelle acts like the control center of the cell and contains dna? cell membrane nucleus ribosome vesicle

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.

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Which two factors contributed to creating a global culture? the creation of the united nations improvement in telecommunications health issues such as the ebola virus increased opportunities for global travel