Ashantim06id
Answered

A ___________ chain is a sequence of amino acids that is the foundation for the basic structure of a protein.

Sagot :

KatelynRuckert17id
A Polypeptide chain is a sequence of amino acids that is the foundation for the basic structure of a protein
Tamekacountrygirlid
A polypeptide chain?  I do not know if this is one of your choices for this answer.  But you could try it.  I hope I helped you.