•These cells carry oxygen.

•Which could be human? How can you tell?

•Use protein blast to identify the animals who own these cells.:

A: mvhwtaeekq litglwgkvn vaecgaeala rllivypwtq rffasfgnls sptailgnpm vrahgkkvlt sfgdavknld nikntfsqls elhcdklhvd penfrllgdi liivlaahfs kdftpecqaa wqklvrvvah alarkyh

B. mvhltpeeks avtalwgkvn vdevggealg rllvvypwtq rffesfgdls tpdavmgnpk vkahgkkvlg afsdglahld nlkgtfatls elhcdklhvd penfr