Which Intracellular Protein Expressed in Smooth, Skeletal and Cardiac Muscle

question 6

Multiple Choice

Which intracellular protein expressed in smooth, skeletal and cardiac muscle is entirely missing in Duchenne muscular dystrophy and reduced in Becker's muscular dystrophy?

• A) Myostatin
• B) Dystrophin
• C) Myogenin
• D) Casein

---

Definitions:

Resistant

Refers to the ability to withstand or oppose a particular force or condition.

Zygote

The initial cell formed when a sperm cell fertilizes an egg cell, marking the beginning of a human's genetic development.

Embryo

An early stage of development in multicellular organisms, in humans, it refers to the first eight weeks of development post-conception.

Placenta

A temporary organ that develops in female mammals during pregnancy, connecting the fetus to the uterine wall for nutrient uptake, waste elimination, and gas exchange via the mother's blood supply.