Which statement about DNA replication is true? A) Eukaryotes can only replicate one segment of chromosome at a time

B) Prokaryotes can only replicate their single circular chromosomes in the nucleus

C) Eukaryotes only have one circular chromosome that unwinds at multiple locations

D) Prokaryotes only have one origin of replication to initiate replication

After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.

How do chloroplasts set plants apart from other living things

Explain the significance of the increased cell specialization of the volvocine line