Intermediates are compounds formed within a metabolic pathway(which is a group of biochemical reactions that occur in a sequence- Anabolic or catabolic)
Assuming that the Kreb cycle starts with the citrate, the third compound is alpha-ketoglutarate.
Its Acetyl-CoA
The conguate base of citric acid - citrate - is an important intermediate in the cycle. This is where the name "Citric Acid Cycle" comes from. It is also known as the Tricarboxylic Acid Cycle - as it involves 3 carbon acids, or the Krebs Cycle after Hans Adolf Krebs - who developed the complexities of the cycle.
The products of the Krebs Cycle are ATP, NADH, FADH2, and carbon dioxide. The reactants are acetyl-CoA, NAD+, FAD, and ADP. The Krebs Cycle takes place in the mitochondrial matrix of eukaryotic cells.
In the Krebs cycle NAD+ is reduced to NADH. This is one of the electron carriers. Also FAD is reduced to FADH2 which is the other electron carrier produced during the Krebs cycle.
probably something.
Carbon dioxide
CO2, NADH/H+, FADH2, ATP.
most become reactants in the electron transport chain
when oxygen is not present
most become reactants in the electron transport chain
look in your book