In a given bacterium, transcription of housekeeping genes is normal, but genes involved in nitrogen metabolism, stress, and chemotaxis are disrupted. Which sigma subunit is intact?
A) ?28
B) ?32
C) ?35
D) ?54
E) ?70
E
Biology & Microbiology
You might also like to view...
What drug is used in cases of penicillin and methicillin resistance and also used to treat endocarditis?
A. Isoniazid B. Tetracycline C. Erythromycin D. Penicillin G E. Vancomycin
Biology & Microbiology
Which of the following does not characterize arthropods?
A. presence of a coelom B. segmentation C. an open circulatory system D. an exoskeleton E. an incomplete digestive tract
Biology & Microbiology
The presence of ________ indicates that the air is healthy for humans to breathe.
A. yeast B. morels C. smuts D. ergot E. lichens
Biology & Microbiology
In humans, the thirst center is located in the ____.
A. adrenal cortex B. hypothalamus C. anterior pituitary D. pons E. thymus
Biology & Microbiology