Notes 11-6-09 Part 3
a) RNA polymerase: enzyme that copies DNA into RNA copy
RNA copy is single-stranded, complementary to one DNA
RNA polymerase binds to promoter sequence on DNA
Sigma Factor: subunit of RNA polymerase that binds to DNA promoter sequences
Different sigma factoers attach to different promoter sequences
Different Sigma factors are expressed under different conditions
page revision: 1, last edited: 23 Nov 2009 04:20
