4. how is the energy value of food measured?

What are preventative health care programs such a free flu shots essential for communities

C(x)=(2x^2+5x)/(x^3+8) what is maximum c(x)?

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?