For each turn of the citric acid cycle per acetyl-CoA oxidized, how many molecules of NADH are produced?

In one turn of the citric acid (Krebs) cycle per acetyl-CoA, how many molecules of $F_{AD{H}_2}$ are produced?

In the citric acid (Krebs) cycle, how many molecules of ATP (or GTP, ATP-equivalent) are produced directly by substrate-level phosphorylation per turn of the cycle (per acetyl-CoA)?

In the citric acid (Krebs) cycle, how many ATP molecules are produced directly (as substrate-level phosphorylation) per turn of the cycle for each acetyl-CoA that enters?

In one turn of the citric acid cycle per acetyl-CoA (excluding NADH produced by pyruvate dehydrogenase), how many molecules of NADH are produced?

In one turn of the citric acid (Krebs) cycle per acetyl-CoA (not counting oxidative phosphorylation from NADH and FADH2), how many ATP equivalents are produced directly by substrate-level phosphorylation?

In cellular respiration, what is the main function of the Krebs (citric acid) cycle?

In one turn of the citric acid (Krebs) cycle per acetyl-CoA, how many molecules of $F_A{D}_2$ are produced?

In the citric acid (Krebs) cycle, which molecule is released as the primary waste product for each turn of the cycle?