1.ATP energy is needed to help the sodium potassium pump work. We call this type of transport . active transport

simple diffusion

passive transport

2. True or False... In a phospholipid Bilayer the fatty acid tails face toward the cytoplasm and fluid outside the cell

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

Which particle controls what element an atom 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.