Multiple Choice
Which of the following statements about mitochondria is true?
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11. Aerobic Respiration
Mitochondria
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Which organelle is primarily responsible for producing energy in the form of ATP in eukaryotic cells?
A
Lysosome
B
Mitochondria
C
Endoplasmic reticulum
D
Golgi apparatus
Verified step by step guidance1
Understand the question: The problem is asking which organelle is primarily responsible for producing energy in the form of ATP in eukaryotic cells. ATP (adenosine triphosphate) is the main energy currency of the cell.
Recall the function of each organelle: Lysosomes are involved in breaking down waste and cellular debris. The endoplasmic reticulum (ER) is responsible for protein and lipid synthesis. The Golgi apparatus modifies, sorts, and packages proteins and lipids. The mitochondria are known as the 'powerhouse of the cell' and are responsible for energy production.
Focus on the mitochondria: Mitochondria produce ATP through a process called cellular respiration, which includes glycolysis, the citric acid cycle (Krebs cycle), and oxidative phosphorylation.
Explain oxidative phosphorylation: During oxidative phosphorylation, the electron transport chain and ATP synthase in the inner mitochondrial membrane work together to produce ATP. This process uses oxygen and generates the majority of ATP in eukaryotic cells.
Conclude: Based on the functions of the organelles, the mitochondria are the organelle primarily responsible for producing energy in the form of ATP in eukaryotic cells.
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