What two taxonomic domains are divided based on the presence, or absence, of peptidoglycan?

Substances effect: partially blocks (h+)/pyruvate symporter, interfering with the transport of pyruvate into the mitochondria. will this make the body lose or gain weight?

All other things being equal the size of a population will decrease if

What did you notice about the onion root tip cells that you saw at 40x power?