| A | B |
| DNA to mRNA | in transcription ______ is used to make _______ |
| nucleus | the organelle where transcription occurs |
| DNA | what never leaves the nucleus during |
| mRNA | what gets made during transcription so it CAN leave the nucleus |
| start codon | the beginning of a DNA sequence |
| stop codon | the end of a DNA sequence |
| template | the DNA strand used to make a complementary mRNA strand |
| RNA polymerase | an enzyme that attaches to the DNA and separates the double helix so that mRNA can be made |
| guanine | in making mRNA, cytosine bonds with |
| uracil | in making mRNA, adenine bonds with |
| adenine | in making mRNA, thymine bonds with |