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

Question

Quizplus · Accepted Answer

Dystrophin is located between the outermost myofilaments and the sarcolemma of a muscle fiber, where it helps to anchor the cytoskeleton of muscle cells to the extracellular matrix.

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