Q: Which of these statements is false regarding white fibers of muscle?  

Answer: B

Muscles are composed of two types of fibers, red and white. While red fibers are rich in myoglobin and mitochondria and derive their energy from aerobic processes, white fibers contain fewer mitochondria and myoglobin and derive their energy from anaerobic processes. However, they are rich in sarcoplasmic reticulum, an organelle that plays a critical role in muscle contraction by releasing calcium ions. Thus, option B is false, as white fibers do not derive energy from aerobic processes.

Click me to Read more Question & Answer of Muscular System

---

Share this MCQ