what does failure of tolerance result in?

What will be an ideal response?


autoimmunity (immunological reaction to self)

Biology & Microbiology

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If the apical ectodermal ridge is surgically removed from an embryo, it will lose _____

A) positional information for limb-bud pattern formation B) guidance signals needed for correct gastrulation C) unequal cytokinesis of blastomeres D) the developmental substrate for the kidneys

Biology & Microbiology

T cell receptors on a particular T cell can recognize more than two antigens

Indicate whether the statement is true or false.

Biology & Microbiology

It is the morning of a big test. You are very

nervous about it. Your heart is racing and your blood pressure is increased. You are feeling the effects of the ___ division of the ___ nervous system.

a. parasympathetic--autonomic b. parasympathetic--somatic c. sympathethic--autonomic d. sympathetic--somatic e. autonomic--somatic

Biology & Microbiology

The dorsal surface of a rabbit corresponds to the

__________ of a human. a. anterior b. posterior c. inferior d. superior e. ventral

Biology & Microbiology