Why Do Red Blood Cells Derive All of Their Adenosine

question 32

Multiple Choice

Why do red blood cells derive all of their adenosine triphosphate (ATP) from glycolysis of glucose?

• A) Electron transport chain and Krebs cycle do not produce sufficient ATP for red blood cells to transport oxygen.
• B) Electron transport chain and Krebs cycle are active only during the absorptive state of metabolism.
• C) Electron transport chain and Krebs cycle take place in the mitochondria, which is absent in red blood cells.
• D) Glycolysis takes place within the lysosomes of the red blood cells.
• E) Glycolysis takes place within the nucleus of the red blood cells.

---

Definitions:

Urobilinogen

A substance formed from the reduction of bilirubin, found in the intestines, and can be excreted in the urine or feces, acting as an indicator of liver function.

Cirrhosis

A chronic liver disease marked by degeneration of liver tissue, often caused by long-term alcohol abuse or hepatitis infection.

Hypotension

A medical condition characterized by blood pressure that is lower than normal, which can cause symptoms like dizziness and fainting.

Strenuous Exercise

Physical activity that requires significant effort and energy, often leading to a high level of fatigue.