True or False 2 points Bacteria can have more than one sigma factor used for transcription initiation at the p True False
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In the same bacterial cell, different sigma factors are able to control the expression of large blocks of genes. True/False
Adi S.
TRUE/FALSE Sigma factors are specific for the gene and are affected by the cellular environment. Often times, sigma factor expression or activity is dependent on specific growth phase. transitions of the organism. If transcription of genes involved in growth is necessary, the sigma factors will be translated to allow for transcription initiation to occur. In prokaryotes, RNA polymerase binds the promoter directly. In eukaryotes, RNA polymerase binds the promoter directly. TATA box is where ribosome binds. Transcription start site sequence is conserved.
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Madhur L.
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