Gene Expression Biotechnology
Gene Expression Biotechnology 1005-11
Popular in Biology of Nutrition & Health
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This 2 page One Day of Notes was uploaded by Charlene Scavone on Wednesday December 10, 2014. The One Day of Notes belongs to 1005-11 at George Washington University taught by a professor in Fall. Since its upload, it has received 118 views. For similar materials see Biology of Nutrition & Health in Biosystem Engineering at George Washington University.
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Date Created: 12/10/14
lll20l4 Gene Expression Biotechnology Gene Expression tissue speci c expression combo of genes tumed on and offunique cells housekeeping genes are essential to cell function The Flow of Genetic Information you have homozygous or heterozygous alleles The dominant allele is expressed genes produce RNA for protein production transcription messenger RNA contains the info for speci c proteins translation construction of proteins termination Genome Size small percentage of coding DNA extrons 2 noncoding DNA introns majority spacers function unknown regulatory structural transposon remnants of viral infections can interrupt in uence or disrupt genes different exons can be fashioned together to make proteins Regulation of Expression tumed on housekeeping signal other genes Homeotic Genes master switches developmental relies on timing start gene cascades coordinate development of specific structures we all have the same homeotic genes Isolating DNA cutting out genes physically or through restriction enzymes speci c and reproducible prokaryotes naturally produce restriction enzymes as a defense against viral infection copying DNA polymerase chain reaction separating DNA gel electrophoresis porous gel is electrified and DNA molecules move towards the positive electrode used in forensic science to develop DNA fingerprints Utilizing DNA used within cloning Vectors bacteria Viruses bacterial DNA eukaryotic DNA Vectors make lots of copies of the sequence produce the proteins of the sequence inserts DNA into another organism s DNA recombinant DNA DNA sequences and genotypes that would never occur in nature