Which of the Following Shows the Correct and Complete Flow $\rarr$

question 25

Multiple Choice

Which of the following shows the correct and complete flow of electrons for ribonucleotide reductase?

• A)NADH\(\rarr\)FAD \(\rarr\)thioredoxin \(\rarr\) ribonucleotide reductase
• B)NADPH \(\rarr\) glutathione \(\rarr\) glutaredoxin \(\rarr\) ribonucleotide reductase
• C)NADPH \(\rarr\) thioredoxin \(\rarr\)cytochrome-b \(\rarr\) ribonucleotide reductase
• D)FADH₂ \(\rarr\)glutathione \(\rarr\) glutaredoxin \(\rarr\)ribonucleotide reductase
• E)none of the above

---

Definitions:

Bacteria

Microscopic, single-celled organisms found in diverse environments, some of which can cause disease, while others are beneficial.

Anaphylaxis

A severe allergic reaction with symptoms that include respiratory distress, difficulty in swallowing, pallor, and a drastic drop in blood pressure that can lead to circulatory collapse.

Blood Pressure

The pressure of circulating blood on the walls of blood vessels, a critical parameter in assessing cardiovascular health.

Life-Threatening

Describing a condition, illness, or situation that has the potential to cause death or serious harm if not addressed immediately.