Q: What is formed when amino acids are linked together in a long chain?


Read this paragraph and choose the correct option from the provided answers:

Many amino acids can be linked together to form a long chain known as a protein . These linkages are formed when the carboxylic acid of one amino acid reacts with the amine of another to produce an amide (see Figure below ).

 Choices:

- amino acid

- hormones

- water molecule

- protein


A:
protein