Riddle Me This! Write 4 riddles that contrast the
processes of photosynthesis and
cellular respiration. These riddles
should NOT include the name of
the process directly, but should
include details and vocabulary
about each process.
Include an illustrations.

Cells destroy body cells infected by a virus or bacteria.

List five ways we are indebted to phytoplankton

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.