What Is the Cause of the Striated Appearance of Skeletal

question 19

Multiple Choice

What is the cause of the striated appearance of skeletal and cardiac muscle?

• A) the nuclei of the muscle cells
• B) the connections of neurons to muscle cells
• C) the arrangement of intercalated discs
• D) the repeating arrangement of the contractile proteins, actin and myosin
• E) the stacking of muscle cells

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