Cardiac muscle cells have a higher concentration of mitochondria than skeletal muscle cells. What does the difference in mitochondrial concentration most likely indicate about cardiac muscle cells compared with skeletal muscle cells? A) Cardiac muscle cells have more structural proteins in their cytoplasm.
B) Cardiac muscle cells are located farther from areas where lipids are stored.
C) Cardiac muscle cells have a lower release rate of carbon dioxide into veins.
D) Cardiac muscle cells require a larger supply of energy released through respiration.