In receptor-mediated endocytosis the proper sequence of event is:
a) primary lysosome exocytoses, digests food outside cell, food units absorbed by channels in plasma membrane.
b) ligand-receptor binding, capping, fuse with endosome, secondary lysosome, digestion, absorption.
c) capping, ligand-receptor binding, fuse with endosome, secondary lysosome, digestion, absorption.
d) ligand-receptor binding, capping, secondary lysosome, digestion, absorption, tertiary lysosome.
e) none of the above.
Answer: b) ligand-receptor binding, capping, fuse with endosome, secondary lysosome, digestion, absorption.
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