Where Is Dystrophin,the Protein That Is Defective in Muscular Dystrophy,normally

question 21

Multiple Choice

Where is dystrophin,the protein that is defective in muscular dystrophy,normally found?

• A)Between the outermost myofilaments and the sarcolemma of a muscle fiber
• B)As a transmembrane protein of the sarcolemma
• C)In the Z discs of skeletal and cardiac muscle
• D)In the dense bodies of smooth muscle
• E)Bridging the gap between the sarcolemma and synaptic knob

---

Definitions:

U

U is the chemical symbol for uranium, a heavy metallic element used as a fuel in nuclear reactors and in the production of nuclear weapons.

Electrons

Electrons are negatively charged subatomic particles found in atoms, crucial for chemical bonds, electricity, and magnetism.

Atoms

The smallest units of matter that form chemical elements, consisting of a nucleus surrounded by electrons.

Potassium

A chemical element with the symbol K, atomic number 19, and one of the alkali metals, essential for living organisms.