help me and I will get you all a 60 point the look at the screenshot please answer this question right

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

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

Which part of cellular respiration must occur before any of the other steps can occur