Question

three types of rna
what is created by linking amino acids together?
starch
polypeptide chain
sugar - phosphate backbone

Explanation:

A polypeptide chain is formed when amino acids are linked together through peptide bonds. This process occurs during translation in protein synthesis. Starch is a carbohydrate, and a sugar - phosphate backbone is part of nucleic acids (like DNA and RNA), not formed by amino acids.

Answer:

polypeptide chain