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Journey Into DNA


Jose Portales

on 25 February 2011

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Transcript of Journey Into DNA

Journey Into DNA What is DNA? DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms Human Genome The Human Genome is a string of billions of A's, C's, G's and T's that all pair up in DNA. The Nucleus The nucleus is known as the main control center in DNA Chromosomes •A chromosome is an organized structure of DNA and protein that is found in cells Chromatin Chromatin is the thick lines in the chromosome that helps DNA organize the molecule Nucleosome The nucleosome is a segment of DNA wrapped around a core of histones. Histones •A histone is a simple protein containing mainly basic amino acids Four Bases of DNA Adenine Guanine Thymine Cytosine Adenine Pairs with Guanine Pairs with Thymine Cytosine By: Jose Portales
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