What Is the Energy Cost of the C4 Pathway

question 44

Multiple Choice

What is the energy cost of the C4 pathway?

• A) 30 molecules of ATP are used per hexose molecule made.
• B) 18 molecules of ATP are used per hexose molecule made.
• C) 30 molecules of NADPH are used per hexose molecule made.
• D) 18 molecules of ATP and 12 of NADPH are used per hexose molecule made.
• E) None of the above.

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