The Krebs cycle, or the citric acid cycle.

Krebs cycle or the citric acid cycle gets credit for this step.

Glycolysis, the preparatory stage and the Krebs or citric acid cycle.

And then the citric acid is oxidized through the Krebs cycle right there.

Now, in the citric acid cycle, or in the Krebs cycle, well first we have our pyruvate oxidation.

Sometimes called the citric acid cycle because it deals with citric acid.

And we can perform the whole citric acid cycle over again.

This reaction is part of many metabolic pathways, including the citric acid cycle.

And they form citrate, or citric acid.

The Krebs cycle is really formally this part where you start with acetyl CoA, you merge it with oxaloacetic acid.

This long talked about Krebs cycle.

This is where our Krebs cycle occurred.

One of the entries on the list was citric acid (E330).

It is generally used as a substitute for tartaric acid and occasionally in place of citric acid, at a rate of 1.36 g of citric acid to every 0.91 grams of fumaric acid to add sourness, similar to the way malic acid is used.

The acetyl CoA and the oxaloacetate or oxaloacetic acid, they are reacted together to create citric acid.

Then we're ready to enter the Krebs cycle.

And then eventually, these outputs from glycolysis and the citric acid cycle, when they get into the electron transport chain, are going to produce another 34.

And then the citric acid is then oxidized over a bunch of steps.

Carbonated water, citric acid, corn syrup artificial raspberry flavoring vegetable colors and preservative.

And then they enter into what's called the Krebs cycle.

But it's really a preparation step for the Krebs cycle.

Everything in the Krebs cycle is an enzyme catalyzed reaction.

So they'll say eight NADHs get produced from the Krebs cycle.

But it's normally viewed to be after glycolysis and the Krebs cycle.

But then you move over to the Krebs cycle, which is aerobic.

So we have this kind of preparation step for the Krebs Cycle.

Now, sometimes in a lot of books these two NADHs, or per turn of the Krebs cycle, or per pyruvate this one NADH, they'll give credit to the Krebs cycle for that.

Now you have these pyruvates, they're not quite just ready for the Krebs cycle, but I guess well that's a good intro into how do you make them ready for the Krebs cycle?

In biochemistry and metabolism, beta oxidation is the catabolic process by which fatty acid molecules are broken down in the mitochondria to generate acetyl CoA, which enters the citric acid cycle, and NADH and FADH2, which are co enzymes used in the electron transport chain.

But the reality is, six from the Krebs cycle two from the preparatory stage.

Then those byproducts are split even more in the Krebs cycle, directly producing two ATPs.

The most sensitive targets of NO are aconitase, an enzyme that catalyzes the isomerization of citrate to isocitrate in the citric acid cycle, and cytochrome oxidase, the last enzyme in the respiratory electron transport chain of mitochondria.

And then you go to the Krebs cycle, there's a little bit of setup involved here.

And then when we look at this side, the formal Krebs cycle, what do we get?

But the interesting thing is that the Krebs cycle is the entry point for these other catabolic mechanisms.

Ornithine is an amino acid that plays a role in the urea cycle.

You'll have some NAD plus, which you can then go and use back in the Krebs Cycle and in glycolysis.

So, so far, if you include the preparatory step, we've had four NADHs formed, three directly from the Krebs cycle.

And then, and this is kind of the interesting point, there's another process that you can say happens after the Krebs cycle.

Now once you have this 2 carbon chain, acetyl Co A right here. you are ready to jump into the Krebs cycle.

And then most especially introductory textbooks will give the Krebs cycle credit for this pyruvate oxidation, but that's really a preparatory stage.

Sulfuric acid and then perchloric acid.

After being done with glycolysis and the Krebs

And then you go and you form citric acid, which essentially gets oxidized and produces all of these things that will need to either directly produce ATP or will do it indirectly in the electron transport chain.

Acid