The parts of the cell that build protein molecules based on instructions from genes is the
O trait
O feature
O ribosome
O function

Ribosomes

Ribosomes make proteins using ribosomal RNA (rRNA).

The ribosome reads the instructions found in the messenger RNA molecules in a cell and builds proteins from these mRNAs by chemically linking together amino acids (these are the building blocks of proteins) in the order defined by the mRNA.

Explanation:

i'm pretty sure questions like these aren't allowd.   but, sure.   i can and talk : ))