Which Statement Is Correct About E.coli Promoters

question 29

Multiple Choice

Which statement is correct about E.coli promoters:

• A) Most promoters have a high degree of sequence similarity.
• B) -10 and -35 regions show the most conservation between promoters.
• C) The GC-rich -10 region facilitates the localized unwinding of DNA .
• D) Distance between the -10 and -35 regions is moderately conserved from 10 to 30 nucleotides in length
• E) None of these statements are correct

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Definitions:

IR

Short for Infrared Spectroscopy, a technique used to identify and study chemicals by analyzing the infrared light absorbed by molecules.

Carbonyl

A functional group characterized by a carbon atom double-bonded to an oxygen atom (C=O), central to many organic reactions and compounds.

Infrared Radiation

A form of electromagnetic radiation with longer wavelengths than visible light, used in heating and imaging technologies.

Alkene Absorption

Refers to the specific wavelengths at which alkenes absorb infrared light due to the stretching vibrations of the carbon-carbon double bond.