A. NADH 8. Muscle fatigue C. LADH D. All would increase E. None would increase N

Question

A. NADH 8. Muscle fatigue C. LADH D. All would increase E. None would increase NADH to NADt. What would be another name for this process? 16. This reaction also breaks down A. Oxidation B. Reduction C. Anabolic D. All wouid increase The following passage is for questions 17-20. electron oig to the figure, there are 4 distinct proteins that channel electrons in the electron transport posit electrons at Complex I and Complex ll respectively. However, certain include cyanide, carbon monoxide, chain. Notice how that there are two places where electrons can enter this process. The poisons can interfere with this process. Examples of such poisons Antimycin. Specifically, Chemicals I & Il inhibit Complexes l and IV respectively. According to the image, only Compl the gradient exes l, ll, and IV pump hydrogen ions with 1 & lll contributing the most hydrogens to H+ H+ H+ H+ H+ (n Chemical I Chemical II 17. Despite inhibiting Complex I, Chemical I is not as toxic. Why could this be? A. FADH can still glve up its electrons at Complex I B. Electrons can still flow downstream of Complex II C. NADH can give up its electrons at Complex II D. Chemical 11 inhibits Complex which in turn stops ATP synthesis E. Cannot be Determined 18. Where in the cell is all of this taking place? A. Cristae B. Thylakoid membrane C. Stroma D. Mesophyll Cell E. Cannot be Determined

Explanation / Answer

Ans 16 : A) Oxidation

The reaction is called as the oxidation reaction , as NADH loses its hydrogen and forms NAD+. This NAD+ is now an oxidising agent , which can accept electrons from the other molecules and get reduced itself , while oxidising others.

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