Acidity is determined using a pH indicator
Enzymes are specialized proteins that speed up chemical reactions, biological catalyst.
354/4561 and that is I think the answer
<u>Answer</u>: B. complex, folded chains of amino acid
Proteins are a class of large organic compounds composed of amino acids in the form of one or more long chains. The amino acid sequence determines the protein's shape and is in turn dictated by the DNA sequence that codes it. Proteins are vital for all the body's functions.
