What is Corona virus?

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?

Sterilization of surgical instruments is a process that renders the items free of: a. spores. b. blood. c. oil d. dirt

Which of the following is the most appropriate use of a freer elevator? a. scrape cement b. clean instruments c. dissect periosteum d. retract tissue