When Comparing Skeletal, Cardiac, and Smooth Muscle Structure

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