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Q: The three-carbon molecules broken down from six-carbon molecules of glucose during the first step in the process of nutrition in all organisms is called:
  • A. Methane
  • B. Butan
  • C. Pyruvate
  • D. Ethane
Correct Answer: Option C - Pyruvate is formed during glycolysis process in cytoplasm. Its oxidation takes place in the matrix of mitochondria. During first phase of nutrition (breaking of energy molecules) 3-carbon containing compound pyruvate formed from the 6-carbon compound.
C. Pyruvate is formed during glycolysis process in cytoplasm. Its oxidation takes place in the matrix of mitochondria. During first phase of nutrition (breaking of energy molecules) 3-carbon containing compound pyruvate formed from the 6-carbon compound.

Explanations:

Pyruvate is formed during glycolysis process in cytoplasm. Its oxidation takes place in the matrix of mitochondria. During first phase of nutrition (breaking of energy molecules) 3-carbon containing compound pyruvate formed from the 6-carbon compound.