Select the correct answer. Goats are particularly effective for clearing brush from hillsides for all the following reasons EXCEPT

A. they eat virtually anything.

B. they are more docile than sheep.

C. they can get to places otherwise difficult to reach.

D. they can clear a hillside with minimal environmental impact.

Which group of molecules are targeted by the kinases in order to control this movement

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.

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?