What function do these structures have

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

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12