IMPORTANT BIOLOGICAL COMPOUNDS-part 4.docx

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Department
Biology
Course
BIOL 151
Professor
Jaclyn Vick
Semester
Spring

Description
Nucleic Acids: - Function is to store & transmit hereditary information - 2 types: • Storage form: DNA (deoxyribonucleic acid) • Transmission form: RNA (ribonucleic acid) - monomers: long chains of nucleotides - Nucleotides for DNA & RNA are composed of: • a sugar (deoxyribose or ribose) • a phosphate group • a nitrogenous base  the one that changes - 4 different nitrogenous bases: adenine, thymine, guanine, and cytosine ~information - the information in a molecule of DNA is determined by its sequence of storage bases: Adenine, guanine, cytosine, and thymine (ex: CGATTACCCGAT) - adenine ALWAYS pairs with thymine, guanine ALWAYS pairs with cytosine - RNA is the same, with thymine replaced by uracil
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