The electron transport chain (ETC) is the final step of cellular respiration and takes place in the mitochondrion.
- The final step in cellular respiration is the electron transport chain. This is sometimes abbreviated as ETC. ETC needs oxygen, which means aerobic process. It occurs at the edges of the inner lining of mitochondria. These handles are called cristae.
The circulatory system and respiratory system are protected by your skin, muscles, and ribs.
It’s c a producer a someone who produces a product so a farmer who raise corn, produces corn
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