Under anaerobic conditions, what is the purpose of lactic acid fermentation in the process of producing ATP?

Question

to generate the pyruvic acid needed as an input for the Kreb’s cycle
to generate the oxygen needed as an input for the Electron Transport Chain
to generate the glucose needed as an input for glycolysis in the cytoplasm
to generate the NAD+ needed for glycolysis to extract energy from glucose
My answer is C, please check!

Answer 1

You are correct!!! tysm