Place the steps of transcription in order:

1. rna polymerase attaches to the dna template

2. the mrna strand moves out of the nucleus

3. base pairing forms mrna

4. the dna strand separates

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an