Suppression of self-reactive t cells, by , is one mechanism for peripheral t cell tolerance. these cells are a subset of ccd4 t cells whose function.

b. heterotroph

explanation:

i think that d. wind is the answer.   i missed the question when i answered a. currents.

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

i'm guessing this is from edg enuity so the answers would be, from top to bottom,

theodor schwann

matthias schleiden

robert hooke

rudolph virchow

anton van leeuwenhoek