Bio124S_07Present8

Bio124S_07Present8 - Nucleic Acids: Informational Molecules...

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Nucleic Acids: Informational Molecules That Can Be Catalytic Nucleic acids are polymers that store and transmit information. DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) are two types of nucleic acids. DNA encodes hereditary information (the blue print) and the information is transmitted through RNA (the detailed instruction set). The information in RNA is decoded to specify the amino acid sequences in proteins (the functional product).
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Nucleic Acids Nucleic acids are polymers of nucleotides. A nucleotide consists of a pentose, a phosphate, and a nitrogenous base. In DNA, the pentose is deoxyribose; in RNA it is ribose.
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RNA and DNA
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DNA is often found double-stranded. The two separate polymers interact by H- bonding between their nitrogenous bases. The base pairing is complementary: At each position where a purine is found on one strand, a pyrimidine is found on the other. Purines
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This note was uploaded on 04/08/2008 for the course BIO 124 taught by Professor Idk during the Fall '05 term at Bradley.

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Bio124S_07Present8 - Nucleic Acids: Informational Molecules...

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