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Understanding DNA Structure
19/11/2023
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DNA DNA is made up of Nucleotides DNA strands are polymers. This means they're made up of lots of repeating units joined together.. Each unit is called a nucleotide. Each nucleotide is made of a Sugar, a phosphate group and one "base". One of four different bases joins to each sugar. The Bases are: 7 complementary base pairing (A) Adenine (T) Thymine (C) Cytosine } GGuanine phosphate DNA is Stored as Chromosomes sugar nucleotide base A DNA molecule has Strands, coiled together. They make a double Helix two The complementary base. pairs are joined together by weak hydrogen bonds. Chromosomes are long, coiled up molecules of DNA A gene is a section of DNA on a chromosome. Each gene codes for a particular protein. The order of bases in the gene decides what protein is made. An organism's genome is all of its DNA Strands bases
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