What is the kreb cycle?​

The citric acid cycle – also known as the TCA cycle or the Krebs cycle – is a series of chemical reactions used by all aerobic organisms to release stored energy through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins.

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blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.