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Answered 2010-04-14 21:51:23

Passive transport... the opposite of active transport.

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yes. Active Transport does require cellular energy. Passive transport does not. (:



Diffusion does not require any energy, therefore it is passive transport. Active transport requires the expenditure of energy.


All forms of active transport require energy.


Diffusion is per definition a passive transport process.


Only active transport requires energy.



The process that doesn't require energy is faciliated diffusion


Facilitated and simple diffusion both transport solutes along a concentration gradient and neither processes require any ATP expenditure.


Yes. The electron transport chain is part of aerobic cellular respiration, which occurs inside the mitochondria.


Kreb's (citric Acid) Cycle and Electron Transport System


passive transport does not require energy (i.e. no ATP molecules involved) eg diffusion, osmosis active transport requites expenditure of energy (i.e. ATP molecules involved) eg sodium-potassium pump


Osmosis is the membrane activity that does not require the expenditure of energy by the cell. It does not require any input of energy.


Beans undergo the process of cellular respiration to produce the energy they require to grow and reproduce.


Any activity, or process, requires energy.


That would be passive transport. No energy required, as materials move from high to low pressure on their own. Active transport is the opposite, requiring energy from the cell itself.



Facilitaed Transport is a passive transport because its the same thing. the process is carried out by an enzyme-like carrier. Since it doesn't require energy it is passive



Active transport requires energy to move the ions against the gradient. This energy is release during the process of respiration.


Cellular Respiration is a three step process; Glycolysis, the Krebs Cycle, and the Electron Transport Chain. Effective cellular respiration is an aerobic cycle, meaning that it requires oxygen. The first step, glycolysis, is an anaerobic process, meaning it does not require oxygen. Therefore, glycolysis is always able to take place. The next step is the Krebs Cycle. This is an aerobic process and does not take place in the absence of oxygen. If there is an absence of oxygen, bodily toxins such as ethyl alcohol and lactic acid are produced and cellular respiration is not carried out. To answer your question, a lack of oxygen is what disrupts cellular respiration.


no, but active transport on the other hand, does require transport proteins to transport the large molecules into the cell.


There are two ways that the molecules (i.e: water) move through the membrane: passive transport and active transport. Active transport requires that the cell use energy that it has obtained from food to move the molecules (or larger particles) through the cell membrane. Passive transport does not require such an energy expenditure, and occurs spontaneously.



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