When Comparing Skeletal, Cardiac, and Smooth Muscle Structure

question 1

Multiple Choice

When comparing skeletal, cardiac, and smooth muscle structure

• A) Cardiac muscle contains triads while skeletal muscle contains diads
• B) Sarcomere structure in smooth muscle and cardiac muscle are the same
• C) Skeletal muscle thin filaments have actin, troponin, and tropomyosin; smooth muscle lacks troponin
• D) Skeletal muscles consume more energy than cardiac muscle as a result of the abundance of mitochondria
• E) T-tubule diameter in smooth muscle is smaller than in cardiac muscle

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