EVERYDAY SCIENCE

Detailed explanation-1: –The ability of carrier proteins to change its shape after binding with ions makes it useful for active transport.-During active transport the carrier protein binds with ATP, and uses its energy to pump the ions across the cell membrane in opposite directions.

Detailed explanation-2: -Active transport requires specialized carrier proteins and the expenditure of cellular energy. Carrier proteins allow chemicals to cross the membrane against a concentration gradient or when the phospholipid bilayer of the membrane is impermeable to a chemical (Fig.

Detailed explanation-3: -Carrier Proteins for Active Transport A uniporter carries one specific ion or molecule. A symporter carries two different ions or molecules, both in the same direction. An antiporter also carries two different ions or molecules, but in different directions.

Detailed explanation-4: -A carrier protein is a transport protein that is specific for an ion, molecule, or group of substances. Carrier proteins “carry” the ion or molecule across the membrane by changing shape after the binding of the ion or molecule. Carrier proteins are involved in passive and active transport.

Detailed explanation-5: -Carrier proteins are used in active transport. To get molecules transported against a concentration gradient, active transport necessitates the use of energy.