review_questions_for_lecture_9-1 - Review questions for...

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Review questions for lecture 9 Be comfortable with the following terms: Cofactor-inorganic ion that is weakly bound to an enzyme and required for its activity Active site-region on the surface of an enzyme where the substrate binds and where catalysis occurs Nucleotide-basic chemical unit of nucleic acid Ribonucleotide-nucleotides that use ribose instead of deoxyribose Nitrogenous base- organic compound that owes its property as a base to the lone pair of electrons of a nitrogen atom Purine-one of the types of nitrogenous bases. Contain adenine and guanine Pyrimidine-type of nitrogenous base containing cytosine, thymine and uracil. Phosphodiester bond-connection in a nucleic acid strand, formed by linking two nucleotides 5’ and 3’-5 is the phosphate end and 3 is the hydroxyl end. Base-pair-two nucleotides connected by hydrogen bonds Antiparallel- run side-by-side in opposite directions. Complementarity- Each strand is complementary to the other in that the base pairs between them are non- covalently connected via two or three hydrogen bonds. Primary structure of a ribonucleotide- Secondary “ Tertiary “ Ribozyme- RNA molecule that catalyzes a chemical reaction “RNA World” tRNA - transfers a specific active amino acid to a growing polypeptide chain at the ribosomal site of protein synthesis during translation
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This note was uploaded on 09/21/2011 for the course BIS 002A taught by Professor Unknown during the Summer '09 term at UC Davis.

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review_questions_for_lecture_9-1 - Review questions for...

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