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Biology 13 Online
OpenStudy (anonymous):

he following are a list of regulatory sites that are partly identified by looking at sequences. Which of them are found in RNA as well as DNA? A. Promoter B. Operator C. Ribosome binding site D. Start codon

OpenStudy (anonymous):

both C and D are possible, because in mRNA both are there.

OpenStudy (anonymous):

I agree that there are two possible answers. Promoters and operators are DNA features - if you're interested you can find out about them here: http://en.wikipedia.org/wiki/Lac_operon

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