Question

lo 1.4. a ____ is composed of two subunits: the small ribosomal subunits (mrna), and the large ribosomal subunits, which form polypeptide chains of amino acids. chromosome lysosome nucleus mitochondria vacuole ribosome cytoskeleton nucleotide cytoplasm

Explanation:

Ribosomes are cell - organelles made of two subunits. They read mRNA and assemble amino - acids into polypeptide chains during translation. Other options like chromosome, lysosome etc. do not have this structure and function related to polypeptide chain formation from amino - acids.

Answer:

ribosome