Your body needs more oxygen when you are exercising than when you are not exercising. why is this?

What would be the most likely result if the ph of the stomach were increased to 5

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.

How would you describe an allele that be expressed and determines an organisms appearance? a.uncapitalized b.responsive c.recessive d.dominant