A cell has undergone DNA replication and the number of chromosomes has doubled. What will happen next? A.
The cell will synthesize all the proteins it needs to divide in two.
B.
Spindles will form and centrioles will move to the opposite poles.
C.
Chromosomes will line up along the middle.

Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the

One of the newest applications of cell technology is called cybrid embryos. this process involves replacing the nuclear material of an animal cell with human nuclear material. how might this process affect public policies about research by using stem cells? the same policies and concerns about the use of human embryonic stem cells would most likely apply. the embryos would most likely be treated like traditional animal embryos and regulated accordingly. the process of forming cybrid embryos would most likely be banned by government regulators. the embryos would be treated as regular cells because they are not fully human in origin.

Which type of neuron stimulates muscles to contract?