Cellular respiration is a process where glucose is broken down for energy. The reactants are glucose, and oxygen, and the products are carbon dioxide, water, and chemical energy (in ATP).
C3H4O3 (Pyruvate)
Step 2. Krebs Cycle
Cellular respiration occurs in all organisms. That means both plants (autotrophs) and animals (hetertrophs). All of us need it to function.
Step 3. Electron Transport Chain
NADH, FADH2, O2
Glycolysis is the first step in cellular respiration. It occurs in cytoplasms and 2 ATP are made.
Mitochondria(the powerhouse cell)
Krebs cycle, also known as the citric acid cycle, is the second step in cellular respiration. It occurs in the matrix of mitochondria and 2 ATP are made.
CO2, NADH, FADH2, ATP
Electron transport chain (ECT) is the third step in cellular respiration. It occurs in the inner membrane of mitochondria and 34 ATP are made.
ATP and H2O
The reactions of cellular respiration do start in cytoplasm but most of it occurs in mitochondrion. That is why it is called the powerhouse cell and cellular respiration wouldn't be possible without it.
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