Question

Materials are able to move across a cell membrane through one of two methods: active transport or passive transport. What is the difference between active transport and passive transport?

Answer 1

Answer:

Explanation:

Active transport:

                 "The movement of substances from the area of lower

                  concentration to the area of higher concentration

                  is called as active transport."

• This type of transport requires energy and that energy is provided in the form of ATP.
• By active transport,movement is against concentration gradient.
• That materials which are important for cell are pumped into cell by active transport via cell membrane.
• Those substances which are not need are pumped out of cells by active transport.

Passive transport:

                 "The movement of substances from the area of higher

                   concentration to the area of lower concentration is

                   called as passive transport".

• This type of transport does not need energy.
• That materials or substances which are not needed are constantly entering the cell by passive transport via cell membrane.
• By passive transport,movement is along concentration gradient.

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