What is the basic structural difference between the immunoglobulins produced by B cells and their descendants before antigen encounter and after antigen encounter?
What will be an ideal response?
Before antigen encounter, antibodies are produced in a membrane-bound form. After antigen encounter, antibodies are secreted in a soluble form.
You might also like to view...
Which of the following is the target of cortical inputs to the basal ganglia? Choose the correct option
A) Striatum B) Substantia nigra C) Subthalamic nucleus D) Globus pallidus
Immunoglobulin diversity and T cell receptor diversity both involve random recombinational events to create diversity
a. After antigen exposure, B and T cells also have somatic mutational events to improve affinity. b. After antigen exposure, B cells have somatic mutational events to improve affinity, but T cells do not. c. Before antigen exposure, B cells have somatic mutational events to improve affinity, but T cells do not. d. Before antigen exposure, B and T cells have somatic mutational events to improve affinity.
Which inner eye structure is responsible for the blind spot?
A) macula lutea B) fovea centralis C) optic disk D) ciliary body
A twitching of the eyelid muscles, which may be due to eyestrain or nervous irritability, is known as blepharospasm.?
Indicate whether the statement is true or false