What are the conserved features of a bacterial promoter?
What will be an ideal response?
Ans: The conserved features are the startpoint (usually a purine), the -10 element (TATAAT), the -35 box (TTGACA), and the distance separating the -10 and -35 sequences. The UP element is sometimes a feature as well.
You might also like to view...
Researchers introduce DNA into plants by
using I. bacteria II. electric shocks III. chemical shocks
a. I only b. II only c. III only d. II and III e. I, II, and III
In some genetically engineered tomatoes, fruit ripening was delayed by crippling the gene that produces which hormone?
A. Abscisic acid B. Auxin C. Ethylene D. Gibberellin E. Cytokinin
Which statement is the most likely description of the common ancestor that exists between fungi and animals?
A. The ancestor was a multicellular organism that lived in some type of aquatic environment. It was most likely a flagellated protist. B. The ancestor was a flagellated organism that lived in some type of aquatic environment. It was most likely a multicellular protist. C. The ancestor was a flagellated organism that lived on the terrestrial environment. It was most likely a unicellular protist. D. The ancestor was a flagellated organism that lived in some type of aquatic environment. It was most likely a unicellular protist.
Human infection with Erysipelothrix rhusiopathiae takes a milder form and is known as:
A. Impetigo B. Erysipelas C. Necrotizing fasciitis D. Erysipeloid