At Blueprint, we believe in educating first. Our MCAT blog was created to reflect this value. Our articles are written by the same MCAT experts who write our MCAT books, MCAT practice exams, and our MCAT course materials. We also partner with guest contributors regularly, both professionals and industry experts, to make sure that you are getting information that is not only relevant, but accurate.

Learn from the best with this free MCAT resource, updated with new articles regularly. If you need to know about a specific MCAT subject, changes being made to the MCAT exam, and general information about the MCAT, our blog is the perfect place for you.

blog image 1
MCAT Biology Question — Complement System of the Blood

Which of the following is NOT a function of the complement system of the blood?   A) Aiding the immune response by selectively binding to specific foreign antigens. B) Increasing opsonization by enhancing the phagocytosis of foreign antigens. C) Using a chemotaxis effect to attract greater numbers of macrophages and neutrophils to an infection site.