Immunoglobulin are proteins that show quaternary structure. They act as antibodies in the body. They are produced by specialised white blood cells called B-cells and are present in blood serum and other body fluids.
So, the correct answer is (D): quaternary
They show a quaternary structure. Immunoglobulin is known as antibodies and are proteins that are produced by the immune cells in response to specific antigens. There are five main classes of immunoglobulins having unique structure and function. They are IgG, IgM, IgD, IgA, IgE.
So, the correct answer is (D): quaternary
Study a part of life cycle of Plasmodium given below:
Answer the following questions:
(a) Name the infective stage of Plasmodium that is stored in the female Anopheles mosquito.
(b) Where does fertilization and development of parasite take place?
(c) Identify labels P and Q in the given diagram.
(d) Asexual and sexual phase of the life cycle of the Plasmodium takes place in two different hosts. Write their names.
Health is described as a state of complete physical, mental and social well-being.
The disease is a circumstance where malfunctioning of the body organs occurs leading to uneasiness and discomfort.
Read More: Human Health and Disease