Mycobacteria species contain peptidoglycan in their cell envelope. B.For those Archaeal types that possess a cell wall, it is co
mprised of pseudomurien. C.Mycoplasma species of bacteria would very likely not be affected at all by the presence of penicillin or vancomycin. D.None A-C are false, all the above are true.
Emperor penguins have the ability to 'recycle' their own body heat. The arteries and veins lie close together so that blood is pre-cooled on the way to a penguin's feet, wings and bill and warmed on the way back to the heart. Emperors' feet are adapted to the icy conditions
