Please I need help with the following When appropriate lmmun

When appropriate lmmunoglobulin/Antibody (Ig) isotype(s) to the descriptions below: Forms the BCR on nalve mature B cells.______ Always high-affinity antibodies_______ Binds to high affinity antibodies ______ Binds to high affinity Fe receptors on mast cells____ Crosses the placenta_______ Isohomaglutinins _________ Forms BCR on Memory Cells____ Secreted as a pen tamer________ Binds to Fc receptors on phagocytic cells ________ Binds to poly Ig receptors on epithelial cells _____ Goods at neutralizing bacteria, and viruses _______ Good at activating complement _____ Antibody-dependent cell mediated cytotoxicity (ADCC)______ Forms a dimer_______ Capillary endothelial cells have Fc Receptors to transport it to extracellular spaces_________ Involved in Allergies_______ First antibody formed during a vaccine or infection ______ Form a monomer ______ Has 4 subtypes ________

Solution

Answer:-

D:-IgG only antibody that can cross placenta from mother to the foetus

E:- isohemoglutinins are the substances that agglutinate blood cells of the other individuals of same species.

F:-IgA, IgM etc

G:- IgM is secreted as pentamer