What happens during cytokinesis? The number of chromosomes doubles.

Two separate nuclei form.

The chromatids are pulled apart.

The cell divides into two cells.

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes