Question

what is the main function of ribosomes in an animal cell?
to contain the information that the cell uses for growth and activities
to make proteins
to break down sugar and release energy that the cell can use
to break down waste and worn - out cell parts

Explanation:

Ribosomes are cellular structures. They are the sites of protein synthesis. DNA contains information for cell growth and activities. Mitochondria break down sugar for energy. Lysosomes break down waste. So ribosomes' main function is protein - making.

Answer:

to make proteins