Do carbon dioxide molecules go into or out of the cell ?

1. which of the following is correct regarding opiates/opioids: a. they all have a natural component as a starting pointb. they have low addiction possibilitiesc. methadone binds to some of the same receptorsd. a and care correcte. all are correct

Match each symbol with its description.

What is used as a template during replication? a- mrna b- trna c- rrna d- dna