Organisms use the energy they produce to perform different functions. Which function would polar bears and orange trees not
use energy for?
O homeostasis
O bioluminescence
building cell parts
O moving molecules

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

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 dense layer of connective tissue that surrounds an entire skeletal muscle is the