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Transportation in Plants and Circulation in Animals — Science STD 10 — Question

Tamilnadu BoardEnglish MediumSTD 10ScienceTransportation in Plants and Circulation in Animals1 Mark
Question
Why are membrane – bound proteins called pumps?
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Answer

Active transport is carried out by membrane-bound proteins. These proteins use energy to carry substances across the cell membrane. So they are called pumps.

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