You are a chordate, yet you lack most ofthe main derived characters of chordates. Explain.
DNA Structure and Functions The Genetic Material Biologist knew that DNA: 1. stored info. – development, structure, metabolic activities 2. can be replicated – needed for cellular division 3. undergoes rare changes – mutations The Hunt for Fame, Fortune, and DNA Early research: Johann Friedrich Miescher – a physician (1869): - removed nuclei from a pus cell (had little cytoplasm) ofound a chemical he called nuclein rich in nitrogen and phosphorus making it different than a protein - later work showed nuclein as acidic calling it nucleic acid o 2 types: DNA (deoxyribonucleic acid) RNA (ribonucleic acid) 4 types of nucleotides composed