Question

a diagram of a cell is shown below. animal cell in which structure is protein synthesized? 1 3 4 2

Explanation:

Step1: Identify cell - structures

1 is mitochondria (produces energy), 3 is cell - membrane (protects cell), 4 is endoplasmic reticulum (involved in lipid and protein transport), 2 is ribosome (site of protein synthesis).

Step2: Determine protein - synthesis site

Ribosomes are responsible for protein synthesis in the cell.

Answer:

D. 2