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Understanding DNA: The Blueprint of Life

DNA, located in the nucleus as chromatin, is composed of nucleotides made up of nucleic acid, a sugar, and a phosphate group. Its structure is a double helix, resembling a twisted ladder with alternating sugar and phosphate sides. The sugar present in DNA is deoxyribose, and it contains four nitrogen bases: adenine, thymine, cytosine, and guanine. Adenine pairs with thymine, while cytosine pairs with guanine, forming the fundamental building blocks of genetic information.

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Understanding DNA: The Blueprint of Life

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  1. DNA The BluePrint of Life

  2. DNA DNA is located in the nucleus in the form of chromatin. It is made of units called nucleotides.

  3. DNA Nucleotides are composed of 3 parts: Nucleic acid A sugar A phosphate group

  4. DNA Is in a spiral shape called a double helix. When unwound DNA is in the shape of a ladder. The side of the ladder is made of alternating sugar and phosphate

  5. DNA Molecules. The sugar in DNA is deoxyribose. The four nitrogen bases in DNA are: Adenine and Thymine Cytosine and Guanine

  6. DNA Adenine and thymine always pair together. Cytosine and guanine always pair together. (Andy Taylor and Cousin Goober)

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