Some responses made by cells of the immune system to a pathogen are listed.
1. mitosis
2. bind to specific antigens
3. produce memory cells
4. secrete antibodies
Which responses are correct for B-lymphocytes?
1, 2, 3 and 4
2 )
1, 2 and 4 only
3 )
1 and 3 only
4 )
2, 3 and 4 only
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