Active transport requires energy. Passive transport does not require energy. In case you did not know active transport is the movement of ions or molecules across a cellular membrane from a lower to a higher concentration.
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Tadpoles have gills allowing them to breathe underwater while frogs have lungs. Tadpoles have tails and fins to help them swim while frogs have arms and legs.
The generation of electricity through nuclear energy reduces the amount of energy generated from fossil fuels. Less use of fossil fuels means lowering greenhouse gas emissions and others.
The reason that this question is being questioned by the nurse to the patient is because of the reason that the nurse wants to know the quality of pain that the patient is exhibiting in which the nurse would likely ask the patient of how much pain she or he exhibits from the scale 0-10.
Why is the active site specific for only one type of substrate? Enzymes have a lock and key type fit so only a specific substrate fits in the activation site.
