How Many Promoters Are in an Operon

question 5

Multiple Choice

How many promoters are in an operon?

• A) 1
• B) 2
• C) 3
• D) It depends on how many genes are present in the operon

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Definitions:

Uracil

A nitrogen-containing base found in RNA, where it pairs with adenine and replaces thymine during DNA transcription.

RNA

Ribonucleic acid is a type of nucleic acid found in every living cell, serving as a messenger that transports directions from DNA for the production of proteins.

Nitrogen Bases

Organic molecules that make up the building blocks of DNA and RNA, including adenine, thymine, cytosine, guanine, and uracil.

Enzymes

Natural substances that markedly enhance the rate at which virtually all intra-cellular chemical reactions occur.