The word that describes a process that can only happen in the presence of Oxygen (such as the final stage of respiration, the <em />Electron Transport Chain) is Aerobic.
Conversely, if a process does not require the presence of Oxygen (such as glycolysis, the first stage of respiration) we can say that it is anaerobic.
Explanation:
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<span>"Carrier proteins bind to the substances they transport across the membrane via facilitated diffusion, whereas channel proteins provide a pore for substances to move across the membrane via facilitated diffusion."
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The main difference, when comparing these two gates of transportation across a membrane through the same process (via facilitated diffusion or any other), is that carrier proteins bind to the substances they transport and only communicate with one environment of the cell (whether intracellular or extracellular) at the time, while channel proteins let substances move across the membrane without any binding being opened to both cell environments.</span>
Answer:
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