Task: Class Definition Understanding (ontology: Sciences/Biology)

Which of the following definitions best describes 'cytosolic region'?

A. Cell-cell signaling in which the ligand is carried between cells by an exosome.
B. Any (proper) part of the cytosol of a single cell of sufficient size to still be considered cytosol.
C. The region of the cytosol consisting of all cytosol that is part of the presynapse.
D. The region of the cytosol consisting of all cytosol that is part of the postsynapse.

Answer: Any (proper) part of the cytosol of a single cell of sufficient size to still be considered cytosol.