SCIENCE
CELL BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Mitochondria
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Chloroplast
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Cytoplasm
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Ribosome
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Detailed explanation-1: -While most aerobic respiration (with oxygen) takes place in the cell’s mitochondria, and anaerobic respiration (without oxygen) takes place within the cell’s cytoplasm.
Detailed explanation-2: -Mitochondria are organelles, they have membranes specialized for aerobic respiration. Oxidation of substances (chemical) takes place in mitochondria. It absorbs oxygen and releases energy and carbon dioxide.
Detailed explanation-3: -In the mitochondria, cellular respiration occurs in the mitochondrial matrix through the Krebs cycle to form ATP, FADH2 and NADH. The formed FADH2 and NADH then go into the inner mitochondrial membrane where they are involved in the electron transport chain to form more ATP molecules.
Detailed explanation-4: -Hence, the correct answer is ‘Mitochondria’.