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Which of the following processes require the cell to use ATP?
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7. Energy and Metabolism
ATP
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What is the primary process by which ATP is produced in cells?
A
Photosynthesis
B
Cellular respiration
C
Fermentation
D
Glycolysis
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Begin by understanding the role of ATP (adenosine triphosphate) in cells. ATP is the primary energy carrier in biological systems, providing energy for various cellular processes.
Identify the main processes that produce ATP in cells: cellular respiration, photosynthesis, fermentation, and glycolysis.
Recognize that cellular respiration is the primary process for ATP production in most cells. It involves the breakdown of glucose in the presence of oxygen to produce ATP, carbon dioxide, and water.
Understand the stages of cellular respiration: glycolysis, the citric acid cycle (Krebs cycle), and oxidative phosphorylation. Each stage contributes to the production of ATP, with oxidative phosphorylation being the most significant contributor.
Differentiate between cellular respiration and other processes like photosynthesis, which occurs in plants and some bacteria to convert light energy into chemical energy, and fermentation, which produces ATP anaerobically but less efficiently than cellular respiration.
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