Search 7,000+ topics

Practice problem

What Are Introns? — Definition & Role in Transcription

By Gabi Slizewska

When DNA is heated up the strands separate. Once the temperature goes down the strands should come back together. Instead, one of the DNA strands links up with its RNA transcript and looks something like this:

A DNA strand and mRNA strand bonded together, There are parts of DNA that form loops which do not match any part of the mRNA.

Why do parts of the DNA strand form those loops?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

↑ ↓ to choose · Enter to openSearch explanations and problems