Plz help it’s due in a hour

Although there are a limited number of amino acids many different types of proteins exist because..

Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. because of this, we would expect osteoblasts to contain numerous a) nuclei. b) ribosomes. c) lysosomes. d) golgi bodies.

Which nucleotide component contains nitrogen