What are four main functions of bones? protect organs, strengthen muscles, make skin cells, store nutrients strengthen muscles, make blood, store waste, allow movement provide support, protect organs, make blood, store nutrients allow movement, make nerve cells, store nutrients, provide support

There are actually 5 functions.

You can pick the best answer.

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides