Review the figure below of passive transport, then choose one of the following s

Question

Review the figure below of passive transport, then choose one of the following statements as being descriptive of this process Membrane O Passive transport can transport molecules without the assistance of proteins from an area of high concentration to an area of lower concentration Passive transport works with the help of proteins to bring molecules from an area of low concentration to an area of higher concentration O Passive transport requires energy from the cell to move molecules from an area of high concentration to an area of lower concentration. O Passive transport always requires the help of proteins to bring molecules from an area of high concentration to an area of lower concentration Submit Provide Feedback Next >

Explanation / Answer

Ans) Passive transport can transport molecules without the assistance of proteins from an area of high concentration to an area of lower concentration.

Passive transport is the movement of molecules across the cell membrane from high concentration to low concentration along the concentration gradient without the aid of transport proteins and energy. In passive transport there will be a negative free energy change is observed and movement of molecules depends on the permeability of the cell membrane. It always obeys Fick's law of diffusion and does not show any specificity and selectivity. Molecules like CO2, O2, N2 transported by this method.

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