[01:119:115] - Final Exam Guide - Comprehensive Notes for the exam (94 pages long!)

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Lecture 10: organization of cellular genetic material a. Cell theory: all living things are made of one or more cells, cells are basic organization of functioning organisms, cells come from other cells ii. Terminally differentiated: cells that don"t divide- die and get replaced instead, ex: erythrocytes (red blood cells), neurons (don"t divide wear out over time iii. Cell division: cell reproduction, unicellular organisms just reproductions, multicellular cell division is different, we were zygotes that form a new person. Both the resulting and original cells must remain functional: nucleus divides- main function of cell division. The information must be split and put into daughter cells: genetic material i. ii. Genome: a cells total genetic material: prokaryotes- usually circular dna molecules, eukaryotes- usually more than one linear dna molecule. Chromosomes - colored body dna wrapped around proteins lightly organized: histones, proteins inside, associated with dna to form chromosomes, arranged in , nucleosomes, 8 histones, 146 base pairs of dna around it iii.

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