DNA replication B. Nucleic Acids Genes, an organism s heritable units, are comprised of nucleic acids. Makes up genes that indirectly direct protein synthesis b. In eukarotic cells, it is found primarily in the nucleus 2. Mitosis and cytokinesis 2. Lasts about two hours 3.
Chromatin condenses to form chromosomes iii.
Chromosomes already replicated and consist of two sister chromatids iv. Sister chromatids are connected by centromere v. Nuceoli disappear vi. Nuclear membrane disappears and spindles interact with chromosomes viii. Chromosomes cluster at the middle of the cell ii. Each chromatid is now a chromosome iii.