Proteins that bind to DNA and turn on operons by making it easier for RNA polymerase to bind to a promoter are called

Both prokaryotic and eukaryotic cells use ________ to turn certain genes on or off.

RNA splicing involves the

Which of the following permits a single gene to code for more than one polypeptide?

In multicellular organisms, the coordination of cellular activities relies on

To initiate a signal transduction pathway, a signal binds to a receptor protein usually located in the

Transcription factors attach to

Why can some plants be cloned from a single cell?

The cloning of Dolly the sheep

The use of cloning to produce special embryonic stem cells is called

Adult stem cells have limited therapeutic potential

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