BIOL 1101 Chapter Notes - Chapter 11: Sister Chromatids, Spindle Apparatus, Homologous Chromosome
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3 Dec 2016
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Binary ssion= process through which prokaryotic cells divide. Mitosis= process by which eukaryotic cells divide the nucleus. Cytokinesis= process by which eukaryotic cells divide the cytoplasm. 1) circular bacterial dna molecule is attached by proteins to dinner membrane. 2) dna replication begins at the origin of replication and processes bidirectionally around the circle. 3) newly synthesized dna molecule is also attached to the inner membrane, near the attachment site of the initial molecule. 4) as replication proceeds the cell elongates symmetrically around the midpoint, separating the dna attachment sites. 5) cell division begins with the synthesis of new membrane and wall material at the midpoint. 6) continued synthesis completes the constriction and separates the daughter cells. Monday, october 24, 2016: binary ssion requires the coordination of many components in time and space > several genes play key roles in bacterial cell division.
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