In the process of cellular respiration, how are glucose and oxygen molecules utilized to support cellular growth and repair?
A
They are stored as glycogen and fat for long-term energy reserves.
B
They are converted into ATP, which provides energy for cellular processes.
C
They are used to produce chlorophyll for photosynthesis.
D
They are directly used to synthesize DNA and proteins.
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검증된 단계별 안내
1
Understand that cellular respiration is a process that converts biochemical energy from nutrients into adenosine triphosphate (ATP), and then releases waste products.
Recognize that glucose (C₆H₁₂O₆) and oxygen (O₂) are the primary reactants in cellular respiration.
Identify the main stages of cellular respiration: glycolysis, the citric acid cycle (Krebs cycle), and oxidative phosphorylation.
In glycolysis, glucose is broken down into pyruvate, producing a small amount of ATP and NADH.
During oxidative phosphorylation, the electron transport chain uses oxygen to convert the energy stored in NADH and FADH₂ into a large amount of ATP, which is used for cellular processes including growth and repair.