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Line 9:
Line 9: + + − rat genome: 2.87 Gb+ + + − mouse genome: 2.73 Gb − human mitochondria genome: 16.5 kbp, encodes 13 proteins; 1% of cellular DNA (1000 - 10,000 copies per cell)+ − human chromosomes: 23 pairs: (22 automosomes and X and Y chromosomes) + + + − nucleosome: 147 bp wrapped (1.67 left-handed superhelical turns) around histone octamer ( 2 copies each H2A, H2B, H3, and H4). The nucleosome contains over 120 direct protein-DNA interactions and several hundred water-mediated ones. Linker DNA between nucleosomes 10-80 bp+ + +
reformatting
length of DNA (diploid human) per cell: 2 m
length of DNA (diploid human) per cell: 2 m
==Human Genome==
human genome: 3.1 Gb, so 6 billion bp in normal diploid
human genome: 3.1 Gb, so 6 billion bp in normal diploid
human chromosomes: 23 pairs (22 automosomes and X and Y chromosomes)
human mitochondria genome: 16.5 kbp, encodes 13 proteins; 1% of cellular DNA (1000 - 10,000 copies per cell)
==Rodent Genomes==
rat genome: 2.87 Gb
rat chromosomes: 21 pairs
rat chromosomes: 21 pairs
mouse genome: 2.73 Gb
mouse chromosomes: 20 pairs
mouse chromosomes: 20 pairs
==Nucleosomes==
147 bp wrapped (1.67 left-handed superhelical turns) around histone octamer ( 2 copies each H2A, H2B, H3, and H4). The nucleosome contains over 120 direct protein-DNA interactions and several hundred water-mediated ones. Linker DNA between nucleosomes 10-80 bp