MICRO Lec22 LO.txt

Antibodies are _ shaped

The two parts of the antibody are __ and __

Antibody chains are held together by __ bonds

Antibodies have __ and __ regions

Antibodies are made of __ and __ chains

The Fab region is the __ part of the Y

the Fc region is the __ part of the Y

the antigen-binding site is on the __ region of antibodies

What are the 6 ways antibodies fight bacterial and viral infections

What are the five classes of antibodies (based on Fc part): Ig_

Ig_ is the first response

IgM Fc parts join together to form a __

Ig_ is a main serum that�s the longest lived

Ig_ can be transported across the placenta from mom to baby

Ig_ is mainly secreted by mucuous membrane

IgA is the most abundant class formed and joins together to form __

Ig_ is found on memory B cells

IgD has a very __ half life

Ig_ is responsible for allergic responses

How do antibodies differentiate

__ is the cytokine signal that stimulates class switching

the first immune response produces Ig_ and some Ig_

The second immune response produces mostly Ig_

Antibody chains are put together by __

A heavy chain is a combination of the _, _, and _ regions

A light chain is combination of the _ and _ regions

B cells produce __, or B cell receptors

If an activated helper T cell recognizes an epitope on the B cell, it will bind to the B cell and create a __

After activation, a B cell can become a __ that secretes antibodies

The helper t cell secretes cytokines that cause B cell to __

B cells that can bind Ag in the bone marrow of a fetus undergo __

If a B cell presents an epitope but no helper T cells can bind to activate it, the B cells becomes __