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Unformatted text preview: DNA replication) b) Restriction Enzymes: cuts (breaks bonds between nucleotides) DNA strands at specific site (sequence) into various sized fragments c) Gel Electrophoresis: process used to separate fragments by size d) DNA Fingerprint: the pattern of bands in the gel 1 Gene Expression 1) Gene: a specific sequence of nucleotides that codes for a protein 2) Ribonucleic Acid (RNA) a) Made up of nucleotides (monomer) b) RNA vs. DNA i) RNA has Uracil which replaces Thymine and bonds with Adenine c) Three types of RNA i) mRNA (messenger): complementary copy of a DNA gene ii) rRNA (ribosomal): RNA used to make a ribosome iii) tRNA (transfer): carries amino acids to the ribosome 3) Transcription a) Use the gene as a template to build a complementary copy of the information (mRNA) b) Occurs in the nucleus c) RNA polymerase (lines up complementary nucleotides) recognizes the beginning of the gene 2...
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