Endocytosis and exocytosis

Question 1

What is endocytosis?

Answer 1

Endocytosis is the process of large substances entering the cell by crossing the membrane there are 3 types

Question 2

What is Phagocytosis?

Answer 2

the process of solid substances being ingested (usually being transported to lysosomes)

Question 3

How does Endocytosis work?

Answer 3

the cell membrane folds around the particle ‘eating’ it and digests it - this is how white blood cells eat bacteria

Question 4

What is pinocytosis

Answer 4

the process of liquids + dissolved substances being ingested

Question 5

What is the Receptor Meditated endocytosis

Answer 5

the process of a receptor binding to the cell membrane and instigating endocytosis

Question 6

What is exocytosis?

Answer 6

the process of forcing material OUT of the cell in bulk

Question 7

How does exocytosis work?

Answer 7

Vesicles fuse with the cell membrane and expel the contents out of the cell.

Question 8

How does exocytosis replace the lost phospholipids?

Answer 8

during exocytosis, vesicular phospholipids replace the phospholipids which were lost while making vesicles in endocytosis.