Mitochondria Somatic tissue Bone Bone production.
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Transcript of Mitochondria Somatic tissue Bone Bone production.
Mitochondria
DNA
• Deoxyribonucleic acid
• 1. Nuclear DNA– In nucleus of cell
• + proteins, form a chromosome
– A set of DNA molecules is called a genome.
• 2. Mitochondrial DNA– In mitochondria
• Cytoplasmic organelle
– Inherited from mother only
DNA structure
• Double helix• Basic building block is the nucleotide
– phosphate group + deoxyribose + base• Bases: adenine, guanine, thymine, cytosine• Complementary base pairs: A-T; G-C