12. Gene Regulation in Prokaryotes
Lac Operon
2:35 minutes
Problem 14
Textbook Question
Textbook QuestionNeelaredoxin is a 15-kDa protein that is a gene product common in anaerobic bacteria. It has superoxide-scavenging activity, and it is constitutively expressed. In addition, its expression is not further induced during its exposure to O₂ or H₂O₂ [Silva, G. et al. (2001). J. Bacteriol. 183:4413–4420]. What do the terms constitutively expressed and induced mean in terms of neelaredoxin synthesis?
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