Frequently, important dna regions with specific functions tend to contain short stretches of nucleotides that are conserved across different organisms (e. g., promoter sequence) and are recognized by specific proteins. what are these conserved sequences called? a. initiatorsb. critical elementsc. codonsd. repetitive sequencese. consensus sequences

The correct answer is E. Consensus sequences

Explanation:

A consensus sequence are considered in nucleic acid and protein which is recognized by specific protein like RNA polymerase. In nucleic acid, these sequences are short nucleotide stretch which are conserved across different organism and reflects most common bases at each position in a segment alignment.  

Example of a consensus sequence is promoter sequence. In bacteria, the promoter region contains two regions of consensus sequence characterized by  -10 and -35 sequence. RNA polymerase recognizes this consensus sequence and binds to the promoter region. Therefore the correct answer is E.

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