Although there are a limited number of amino acids, many different types of proteins exist because ?
a: size if a given amino acid can very.
b: chemical composition of a given amino acid can very
c: sequence and number of amino acids is different
d: same amino acid can have many different properties

The correct answer among the following is letter C. The sequence of amino acids are unique very similar to how the sequences of letters in words fluctuate to create a language. From one language which you can write a reputedly never-ending amount of books. From the 20 amino acids it looks like the amount of proteins they can make is never-ending

What are the answers