QuestionSBA
QuestionChoice
An antigen is a molecular structure that is deemed foreign to the body. When an antibody binds an antigen it causes an immune response to be mounted by the body.
10001562
a
Antigens
QuestionChoice
The variable region includes the ends of the light and heavy chains. The primary role of the antibody variable region is to bind to the target antigen.
10001566
e
Variable region
QuestionChoice
These are also known as immunoglobulins and are proteins which identify antigens on foreign pathogens.
10001563
b
Antibodies
QuestionChoice
These are components of antibodies. Antibodies/immunoglobulins are formed when light chains link up with heavy chains, another type of protein.
10001565
d
Light chain
QuestionChoice
These are components of antibodies. Antibodies/immunoglobulins are formed when light chains link up with heavy chains, another type of protein.
10001564
c
Heavy chain
Concept
Chapter
2693
3788
Antigen Presentation
Topic
158
Immunology
12859
To identify a specific pathogen, our cells contain proteins on their surfaces which allows the body to recognise and fight the infection.

What is the term used to describe these surface proteins?
a