Question

which cell organelle directs protein synthesis? golgi body mitochondria nucleus ribosomes

Explanation:

Protein synthesis is the process of making proteins. Ribosomes are the cell organelles responsible for translating mRNA into polypeptide chains (proteins). The nucleus stores DNA (genetic instructions) but does not directly synthesize proteins; mitochondria produce energy; the Golgi body modifies/sorts proteins after synthesis.

Answer:

Ribosomes