20 POINTS!! AND A BRAINLIEST Which of the following best summarizes the energy conversion that takes place during cellular respiration?
A. Chemical energy → Mechanical energy
B. Light energy → Chemical energy
C. Mechanical energy → Light energy
D. Chemical energy → Chemical energy

Protein and polypeptide sequences can be determined by first partially hydrolyzing the protein or polypeptide followed by amino acid sequencing of the fragment pieces using the chemical degradation process known as edman degradation. determine the sequence of the initial (18-amino acid) polypeptide that produces the following five partial sequences after hydrolysis and edman degradation.