Final answer:
Marbling refers to the streaks of fat found within the muscle fibers of meat. It contributes to the meat's tenderness, juiciness, and flavor.
Step-by-step explanation:
No, marbling is not the living cells inside of bone. Marbling refers to the streaks of fat that are found within the muscle fibers of meat, particularly in cuts of beef. These streaks of fat give the meat its characteristic marble-like appearance. They contribute to the tenderness, juiciness, and flavor of the meat. The marbling in meat can be visually graded and is an important factor in determining the quality of the meat.
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