The state of Florida funds a program to recruit outstanding scholars and researchers to reduce pollutants in the Everglades and restore endangered species. Over time, area residents benefit from cleaner water resources, as well as from a thriving and unique ecosystem. Which of the following represent free riders in this example:

Where substance is produced during cellular respiration

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a

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.