Question

70S prokaryotic ribosomes. what " S "refers​

Answer 1

The prokaryotic 70S ribosomes are made of 50S and 30S subunits. Prokaryotes have 70S ribosomes, each consisting of a small (30S) and a large (50S) subunit. Their small subunit has a 16S RNA subunit (consisting of 1540 nucleotides) bound to 21 proteins.

Answer 2

the “s” refers to “subunit”

70s prokaryotic ribosome is made up of 50s and 30s subunits.