Multiple Choice
Where in an animal cell is most ATP produced during aerobic respiration?
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11. Aerobic Respiration
Mitochondria
Multiple Choice
Why do skeletal muscle cells contain a high number of mitochondria compared with many other cell types?
A
To produce lysosomal enzymes for intracellular digestion
B
To synthesize secreted proteins at high rates for export from the cell
C
To generate large amounts of ATP via oxidative phosphorylation to meet high energy demands during contraction
D
To store genetic information as the primary site of the cell’s genome
Verified step by step guidance1
Step 1: Understand the function of skeletal muscle cells. These cells are specialized for contraction, which requires a significant amount of energy in the form of ATP (adenosine triphosphate).
Step 2: Recall the role of mitochondria in cells. Mitochondria are known as the 'powerhouses' of the cell because they generate ATP through a process called oxidative phosphorylation.
Step 3: Compare the energy demands of skeletal muscle cells to other cell types. Since muscle contraction is energy-intensive, skeletal muscle cells need more ATP than many other cells.
Step 4: Connect the high energy demand to the number of mitochondria. To meet this demand, skeletal muscle cells contain a high number of mitochondria to produce large amounts of ATP efficiently.
Step 5: Eliminate incorrect options by matching their functions to other organelles or processes: lysosomal enzymes are produced by lysosomes, secreted proteins are synthesized by the rough endoplasmic reticulum, and genetic information is stored in the nucleus.
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