Question

There are twenty different types of _____________ which join together in differing sequences and numbers to form different proteins.

Answer 1

There are 20 amino acids, that can join together in thousands of different ways.

Answer 2

Thew correct answer is amino-acids

Amino acids are essential to all life on earth. They are organic molecules comprised out of the amino (NH2) and acidic ( COOH) compound. The twenty amino acids can bound to one another with peptide bonds and form different complex structures called proteins. Proteins are important structural part of cells, enzymes and hormones, and without them the life as we know couldn't exist.