Chapter_9_Learning_Objectives (2)

Chapter_9_Learning_Objectives (2) - Chapter Learning...

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Chapter 9: DNA: The Molecule of Heredity 9.2 What is the structure of DNA? Describe the parts of a nucleotide o A phosphate group, a sugar called deoxyribose, and one of four possible nitrogen-containing bases – adenine, guanine, thymine, or cytosine. Describe the structure of a single nucleotide strand and a double-stranded DNA molecule o A single strand nucleotide only consist of one nitrogen- containing base with no distinct assembly, while a double-stranded DNA molecule contains more than one nitrogen-containing base and are always assembled from P end to S end. Covalent bond b/n the sugar of one nucleotide and the phosphate of a second Explain the base-pairing rule and describe its significance o Chargaff’s rule A=T C=G o Adenine and Thymine always form pairs 2 hydrogen bonds o Cytosine and Guanine always form pairs 3 hydrogen bonds Explain how the information coding for genes is stored in DNA Along a single DNA strand
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This note was uploaded on 03/20/2012 for the course BIOL 1001 taught by Professor Minor during the Fall '08 term at LSU.

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Chapter_9_Learning_Objectives (2) - Chapter Learning...

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