Which two structures are not found in animal cells?
a) vacuoles and ribosomes
b) chloroplasts and ribosomes
c) cell walls and chloroplasts
d) endoplasmic reticulum and cell walls

C) cell walls and chloroplasts

Explanation:

Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells. The cell wall is a rigid covering that protects the cell, provides structural support, and gives shape to the cell.

this transfer is call conjunction