Question

Even though human proteins are synthesized from only 20 different amino acids, there are thousands of different proteins found in human cells. This great variety of proteins is possible because the

Answer 1

sequence and number of amino acids can be different in each protein

Step-by-step explanation:

they can be arranged to make a great variety of different proteins

Answer 2

This is possible because of the length of the protein. It is always possible to add more amino acids and synthesize new protein and every new addition increases the number of possibilities drastically.