Paper 3 · November 2023 · Cell Structure and Membranes
Name the type of transport in which the cell surface membrane invaginates and pinches off to form a vesicle enclosing extracellular material.
Model answer
endocytosis
Explanation
The membrane folds inward around the material and fission seals it into a vesicle inside the cell, a process requiring ATP.
Derived from ZIMSEC Biology 6030/3 Paper 3, November 2023, Q1