pro. and eu. gene regulation Worksheet

gene expression
set of genes regulated as a unit
operon turned on
operon turned off
molecule that enzyme binds to
lactose across cm (permease)
hydrolyzes lactose (beta-galactosidase)
uncertain funcation (beta-transacetylase)
when binded to repressor, operon changes shape
located outside operon, codes for continually expressed repressor protein
active when alone, inactive when bound
when a protein inhibits an enzyme that catalyzes production
histone structure can be modified by acetylation and methylation
the adding of acetyl groups to histones
the adding of methyl groups to either histones of the DNA itself
inappropriately repressed by methylation
enhances gene transcription, opposite of gene silencing
breakdown by enzymes that stops/regulates translation
post-translational breakdown by enzymes in cytoplasm