Class of Immunoglobulin | 暗記メーカー

暗記メーカー

Class of Immunoglobulin

22問 • 4ヶ月前

HERSHEY VALERIE BERNARDINO

問題一覧

1

protein produced by B-lymphocytes (plasma cells) in response to the presence of antigen and is capable of combining specifically with an antigen.

antibody

2

protein produced by B-lymphocytes (plasma cells) in response to the presence of antigen and is capable of combining specifically with an antigen.

immunoglobulin

3

has at least two identical antigen-binding sites.

antibody

4

A single bivalent antibody unit is a

monomer

5

Most antibody monomers consist of ___ polypeptide chains. Two are heavy chains and two are light chains.

4

6

where antigen binding occurs in the chain

variable portion

7

Chain which serves as a basis for distinguishing the classes of antibodies

constant portion

8

An antibody monomer is ___ ; the variable regions form the tips and the constant regions form the base and Fc (stem) region.

Y or T shaped

9

It is the predominant antibody in secondary responses and constitutes and important defense against bacteria and viruses.

IgG

10

It readily crosses the placenta and is therefore the most abundant immunoglobulin ne newborns (natural passive immunity).

IgG

11

It helps in neutralizing bacterial toxins, participates in complement fixation and enhances phagocytosis (through opsonization).

IgG

12

It is the main immunoglobulin produced early in the primary immune response.

IgM

13

present on the surface of virtually all uncommitted B-cells.

IgM

14

It is the most efficient immunoglobulin in agglutination, complement fixation and other antigen-antibody reactions and is important also in defense against bacteria.

IgM

15

IgM is a ___ that has the highest avidity of all immunoglobulins.

pentamer

16

It is the main immunoglobulin in secretions such as milk, saliva and tears and in secretions of the respiratory, intestinal and genital tracts.

IgA

17

It protects mucous membranes from attack by bacteria and viruses, but it can be degraded by the enzyme ___ protease

IgA

18

An immunoglobulin bounded to the surface of mast cells, basophils and eosinophils where it acts as a receptor for the antigen that stimulated its production.

IgE

19

It triggers allergic responses of the immediate (anaphylactic) type through the release of mediators like histamine and leukotriene.

IgE

20

appears in external secretions and is also increased during helminthic infections.

IgE

21

An immunoglobulin that acts as an antigen receptor when present on the surface of B-lymphocytes.

IgD

22

It is present in trace amounts only in serum and its function is unclear.

IgD

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問題一覧

1

protein produced by B-lymphocytes (plasma cells) in response to the presence of antigen and is capable of combining specifically with an antigen.

antibody

2

protein produced by B-lymphocytes (plasma cells) in response to the presence of antigen and is capable of combining specifically with an antigen.

immunoglobulin

3

has at least two identical antigen-binding sites.

antibody

4

A single bivalent antibody unit is a

monomer

5

Most antibody monomers consist of ___ polypeptide chains. Two are heavy chains and two are light chains.

4

6

where antigen binding occurs in the chain

variable portion

7

Chain which serves as a basis for distinguishing the classes of antibodies

constant portion

8

An antibody monomer is ___ ; the variable regions form the tips and the constant regions form the base and Fc (stem) region.

Y or T shaped

9

It is the predominant antibody in secondary responses and constitutes and important defense against bacteria and viruses.

IgG

10

It readily crosses the placenta and is therefore the most abundant immunoglobulin ne newborns (natural passive immunity).

IgG

11

It helps in neutralizing bacterial toxins, participates in complement fixation and enhances phagocytosis (through opsonization).

IgG

12

It is the main immunoglobulin produced early in the primary immune response.

IgM

13

present on the surface of virtually all uncommitted B-cells.

IgM

14

It is the most efficient immunoglobulin in agglutination, complement fixation and other antigen-antibody reactions and is important also in defense against bacteria.

IgM

15

IgM is a ___ that has the highest avidity of all immunoglobulins.

pentamer

16

It is the main immunoglobulin in secretions such as milk, saliva and tears and in secretions of the respiratory, intestinal and genital tracts.

IgA

17

It protects mucous membranes from attack by bacteria and viruses, but it can be degraded by the enzyme ___ protease

IgA

18

An immunoglobulin bounded to the surface of mast cells, basophils and eosinophils where it acts as a receptor for the antigen that stimulated its production.

IgE

19

It triggers allergic responses of the immediate (anaphylactic) type through the release of mediators like histamine and leukotriene.

IgE

20

appears in external secretions and is also increased during helminthic infections.

IgE

21

An immunoglobulin that acts as an antigen receptor when present on the surface of B-lymphocytes.

IgD

22

It is present in trace amounts only in serum and its function is unclear.

IgD