Question

fill in the blank with the organelle that performs this function. the choose your answer... are the free-floating organelles that make proteins.

Explanation:

In cell biology (a subfield of Biology, which is part of Natural Science), ribosomes are the organelles responsible for protein synthesis. Free - floating ribosomes (as opposed to those attached to the endoplasmic reticulum) are also involved in making proteins. So the organelle that is free - floating and makes proteins is the ribosome.

Answer:

Ribosomes