Question

Oxaloacetic Acetyl Coa » Coa Citric acid acid NADH NAD Malic acid Isocitric acid Fumaric acid NAD CO2 NADH FADH, FAD+ Q-ketoglutaric acid Succinic acid CO2 NAD+ Succinyl-CoA NADH ADP+P; ATP Figure 9.1 2 26) Refer to Figure 9.1. If citric acid has six carbon atoms, how many carbon atoms does succinic acid have? A) 4 B) 12 C)5 D)1 E) 6 27) Refer to Figure 9.1. Starting with one acetyl CoA molecule, what is the maximum number of ATP molecules that could be made through substrate-level phosphorylation? A) 1 B) more than 20 C)2 D) 11 E) 12

Answer 1

QUESTION 26

If you observe the figure, you will notice that citric acid lose two molecules of CO2 during the process until reach the form of succinic acid. So, the succinic acid has 4 carbon molecules. Additionally, it is composed by six molecules of hydrogen and four molecules of oxygen.

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