Which of the following statements about ELISA is FALSE?It can process 40 samples at one time.It requires proteins to be separated according to size first.It is a highly sensitive and specific test.It involves enzyme-linked antibodies.

Which of the following is labeled with an enzyme in an ELISA test?Multiple choice question.Unknown antigenUnknown antibodyKnown antigenIndicator antibody of known specificity

Which of the following statements about antibodies are FALSE?i.   They can recognize antigens based on complementary shapes.ii.   They can recognize only non-protein antigens.iii.   Activated B cells can produce different classes of antibodies with the same variable region.iv.   The H and L chains in an antibody are linked together via intrachain disulfide bonds.ii and iiiii and iviii and ivi and ii

Enzyme Linked Immunosorbent Assay (ELISA) is a highly sensitive detection method because _______________.it can detect low amount of target moleculeit is fast to detect the target moleculeall options are correctit only detects high amount of target molecule

Which of the following statements about proteins is false?

For successful multiple labelling immunohistochemistry (labelling two or more antigens in the same cell) which of the following is true?Group of answer choicesthe secondary antibodies must be raised in the same species as the piece of tissue being studiedthe fluorescent labels must share the same excitation wavelength (ie: be activated by the same fluorescent light colour)the primary antibodies must be raised in the same species as the piece of tissue being studiedthe secondary antibodies must be raised in different speciesthe primary antibodies must be raised in different species