The part of the human eye that performs the same function as the diaphragm in a camera is

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.

Malaria is caused by which type of microorganism? a. fungi b. bacteria c. protozoa d. worms

Each circled letter in the circuit diagram represents a meter that is used to measure a quantity in the circuit. which meters are ammeters