As it is written. Ox-ah-low ah-see-tick.... acid
there are 4 carbons in oxaloacetic acid
there are 4 carbons in oxaloacetic acid
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Oxaloacetic acid is C4H4O5 and has four carbons
oxaloacetic acid
HOOC-CH2-CO-COOH. Addition of a -CH2- via the enzyme citrate synthase - to oxaloacetic acid marks its importance as being a 'key entry point' to the continuation of the Kreb's : Citric Acid cycle.
transamination
oxaloacetic acid
The real answer compared to all of those other questions is oxaloacetic acid.
Citric Acid. You can go to some site to find out why/how, but nevertheless, it makes the 6-carbon compound of Citric Acid.
Probably misspelled: oxalocetic should be oxaloacetic acid (official IUPAC name: oxobutanedioic acid), which is in the TCA- or Krebs cycle. So: Yes it is in there.
C4 Plants