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

example: 2,3,4,1

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?

What organs comprise the respiratory system of a bird