How a signal molecule that does not enter the target cell can produce a large cellular response.

the answer is: trichonympha lives in the gut of termites and digests cellulose eaten by the termite.

this is an example of a symbiotic association of a protozoan with its mode of association.

hope i

-lavira: )

your spelling is a little off : ]

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex