BIOD LAB 8 EXAM

Question 1 3 / 3 pts The word ‘antigen’ is actually a combination for what two words? Your Answer: combination of antibody and gen means which produces . so it means when antigen enters the body produces of antibodies will start Antibody-generating Question 2 3 / 3 pts For the ELISA assay depicted below, which step (A-E) first contains only specifically bound antigens (aka a 'pure' population)? Your Answer: C Specifically bound antigens are present in step C. Specific and non-specific antigens are present in B but then the wash step removes the non-specific (unbound) antigens, leaving only the specific population seen in step C. Question 3 2 / 4 pts What would happen in terms of the colorimetric readout if you forgot to do the wash step after Step D (above)