Which of the following is/are false about germinal centers?

Oral tolerance is a form of peripheral tolerance.

Expression of which of the following molecules on the surface of activated T-cells allows them to leave the blood at mucosal-associated lymphoid tissues?

Which of the following cell/s would you expect to find in the dark zone of a germinal center ______ and which cell/s would you expect to find in the light zone _____ respectively?

Oral tolerance is a form of peripheral tolerance.

Which of the following describes thymus-independent (TI)-1 antigens?

Mucins _______.

Mucins _______.

Mice raised in a germ free environment will have ___________ compared to mice raised in a normal environment.

Which of the following is true about IgA?