227_study_gd_2_sp08_1

227_study_gd_2_sp08_1 - ANT 227 Study Guide for Exam 2...

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ANT 227 Study Guide for Exam 2 (Exam on Tues., Mar. 11) Spring 2008 DNA Structure double-stranded, type of sugar = deoxyribose, nucleotide = most basic unit (1 phosphate, 1 sugar, 1 of the four bases: adenine, guanine, cytosine, thymine), know the rules of base pairing DNA Function know the two processes that DNA is responsible for and the cellular components involved: 1. replication: DNA, free DNA nucleotides, enzymes 2. protein synthesis: transcription: gene (segment of DNA), free RNA nucleotides, mRNA strand, enzymes translation: mRNA strand, ribosomes, tRNA, amino acids, enzymes proteins amino acids RNA Structure single-stranded type of sugar = ribosenucleotide = phosphate, sugar, base RNA bases: adenine, guanine, cytosine, uracil types of RNA: mRNA and tRNA (don't need to know rRNA) Cell Terminology, Cell Division zygote somatic cells sex cells (gametes): sperm and egg cells division of somatic cells – mitosis (human somatic cells have 46 chromosomes – the diploid number)
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227_study_gd_2_sp08_1 - ANT 227 Study Guide for Exam 2...

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