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Multiple Choice
Which organelle is most abundant in muscle cells due to their high ATP demands?
A
Golgi apparatus
B
Lysosomes
C
Endoplasmic reticulum
D
Mitochondria
Verified step by step guidance
1
Understand the function of each organelle listed in the options: The Golgi apparatus is involved in modifying, sorting, and packaging proteins; lysosomes are responsible for breaking down waste materials and cellular debris; the endoplasmic reticulum (ER) is involved in protein and lipid synthesis; and mitochondria are the powerhouse of the cell, generating ATP through cellular respiration.
Recall that ATP (adenosine triphosphate) is the primary energy currency of the cell, and muscle cells require a large amount of energy to contract and perform their functions.
Recognize that mitochondria are the organelles responsible for producing ATP through processes like the citric acid cycle and oxidative phosphorylation.
Consider the high energy demands of muscle cells, which require a large number of mitochondria to meet their ATP needs for sustained activity.
Conclude that mitochondria are the most abundant organelle in muscle cells due to their role in energy production, which aligns with the high ATP demands of these cells.