Toddlers have many functioning parts of their immune systems, but there is one part that is usually not able to work until about age 2. The part is known as
A. T-dependent antigen response
B. T-independent antigen response
C. IgG production
D. Memory cell response
E. Cytokine activation of a B cell
Which of the following is NOT a possible result of antigen-antibody binding?
D. B cell destruction
E. Activation of complement
Heavy chains and light chains are two common features of antibodies.
Antibodies themselves are responsible for destroying invaders.
Memory cells are made by plasma cells.
Class switching refers to a plasma cell that creates a new class of antibody, for example producing IgA instead of IgM.
It is possible that HIV can prevent T-dependent immunity from functioning.
Our immunity is dependent on the ability to recognize “self.”
Infant IgM and IgA ARE ENHANCED by vaccination, even though they cannot yet make their own IgG.
9. option B is correct.
B cells are not destroyed in any case.
10. The statement is True.
anbodies contain two types of chain : heavy chain and light chain.
11. the given statement is true.
antibodies form complex with invader and disable it to bind with other cells. due to this invader dies itself.
12. The given statement is false.
memory cells are made from B-cells.
13. The given statement is true.
class switching is a biological mechanism that changes production of immunoglobins from one type to another.
14. The given statement is true.
HIV causes the death of CD4 T-cells.
15. The given statement is true.
our body immune system recongnise self and non self (foreign) cells.
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