How are STDs passed on to others?

Explain the pathophysiologic changes that can cause the signs and symptoms associated with common bile duct obstruction.

what do you need to apply for too be a nurse?

In regards to acetyl coa in the tca/kreb's cycle: how many cycles minimum would it take for an acetyl coa carbon to be removed? (what is the first step that this removal could happen? why can't we know for sure how many turns it takes?