What does the figure above show? a)anticodons b)exons c)introns d)the genetic code

(see attached picture)

Answer - D. (The genetic code)

The genetic code is the nucleotide base sequence on DNA (with which information is encoded within genetic material). The nucleotide base sequence codes for a sequence of amino acids, which are in turn used by living cells as the basic building blocks of proteins.

This is what i did 45-5=4040÷4=10so there are 10 white marbles but am not sure is just a question that am not sure