A class I MHC protein presents an antigen. What type of cell is likely presenting and to what type of cell would it be presented? A class I MHC protein presents an antigen. What type of cell is likely presenting and to what type of cell would it be presented? An antigen-presenting cell (APC) would be presented to a CD4 cell. An antigen-presenting cell (APC) would present antigens to a CD8 cell. Any nucleated cell would present antigens to a CD4 cell. Any nucleated cell would present antigens to a CD8 cell. Request Answer Provide Feedback

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:

c is the correct answer hope this !

the correct answers are;

a. the rock was made from more than one type of material.

e. layers of hot liquids in the rock cooled and solidified at different temperatures.

these are the two options that are related to the statement given above.