You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which of the following is true about IgG antibody? and explain in detail?
IgG contains 2 heavy chains and 2 light chains;heavy chains being of gamma type. It is the major antibody;it constitutes of 75 -80% of total immunglobulins in circulation. It is the antibody seen in secondary immune response. It can pass from vascular compament to interstiitial space. REFERENCE: DM VASUDEVAN TEXTBOOK SEVENTH EDITION ; PAGE NO : 688