Answer:
The exogenous pathway occurs when MHC class II molecules present fragments derived from extracellular (exogenous) proteins that are located within the cell. First, pathogens are phagocytized, then endosomes within the cell break down antigens with proteases, which then combine with MHC II.
Explanation:
Omega 3
Nuts and seeds
Fr esh Av a cado
Overdominance occurs when a heterozygote has a more phenotype than that of either of its parents.
Answer:
d) All are examples of using classical conditioning
Explanation:
