(ii) Calculate the percentage increase in the rate of photosynthesis at a light
intensity of 1250 arbitrary units when the carbon dioxide concentration was
increased from 140 ppm to 1000 ppm.
Show your working and give your answer to the nearest whole number.

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.