Is energy in fossil fuels is derived from the energy stored in plants and animal matter?

What best describes lactic acid fermentation?

This is the amino acid cysteine. circle the amine group, put a box aroundthe carboxylic acid group and use a different colored pencil/pen to circle the sidechain (r group). h o | ||nh2— c- c-oh | ch2 | sh

Most enzyme names end in the