How can a mutation in the gene that codes for the KIT receptor protein change the structure of this protein and how does this structural change affect how the protein functions ?

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

a covalent bond, specfically triple bond

to this answer it would be edge enhancement

answerblank(1); ecological; blank(2); evolutionary;