Question

which of the following structures are present in both plant and animal cells?
a mitochondria
b chloroplasts
c cell walls
d centrioles

Explanation:

Mitochondria are the power - houses of the cell and present in both plant and animal cells. Chloroplasts are for photosynthesis and only in plant cells. Cell walls are a feature of plant cells for structure and protection. Centrioles are mainly involved in cell division in animal cells and not typically found in most plant cells.

Answer:

A. mitochondria