Active Transport

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13 Terms

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What is ATP?

energy!!

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Active transport

the movement of large macromolecules against their concentration gradient, from low to high concentration.

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Three types of active transport

Protein regulated, endocytosis and exocytosis

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Endocytosis

when molecules enter the cell using vesicles from the cell membrane

<p>when molecules enter the cell using vesicles from the cell membrane</p>
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Exocytosis

when molecules exit the cell using vesicles from the golgi body

<p>when molecules exit the cell using vesicles from the golgi body</p>
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pinocytosis

cell "drinks" particles

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Two types of endocytosis

pinocytosis and phagocytosis

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phagocytosis

Cell "eats" particles

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lysosome

organelle containing enzymes that breaks down material in phagocytosis

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What do phospholipids make up?

the cell membrane

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How do molecules move in active transport?

from low to high concentration

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What type of molecules use active transport?

Ions and large molecules

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Why is calcium needed in low amounts in the cell?

because cells use small amounts for signalling between organelles