Multiple Choice
Which statement correctly describes whether mitochondria are found in plant and animal cells?
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11. Aerobic Respiration
Mitochondria
Multiple Choice
Which type of cell would be expected to have the highest number of mitochondria per cell due to its high ATP demand?
A
Goblet cell of the intestinal epithelium
B
Mature red blood cell (erythrocyte)
C
White adipocyte (fat-storing cell)
D
Cardiac muscle cell (cardiomyocyte)
Verified step by step guidance1
Understand the role of mitochondria: Mitochondria are the organelles responsible for producing ATP through cellular respiration, which is essential for energy-demanding processes in the cell.
Identify the energy demands of each cell type: Consider the primary functions of each cell type and how much ATP they require. For example, mature red blood cells lack mitochondria because they rely on glycolysis and do not perform oxidative phosphorylation.
Analyze the goblet cell: Goblet cells secrete mucus, which requires energy but generally less than cells involved in continuous contraction or active transport.
Consider white adipocytes: These cells store fat and have moderate energy needs, but their primary function is storage rather than high ATP consumption.
Focus on cardiac muscle cells: Cardiomyocytes contract continuously to pump blood, requiring a constant and high supply of ATP, which explains why they have the highest number of mitochondria per cell.
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