What is the role of the plasma cell in the antigen-antibody response? makes an antigen harmless without destroying it produces antibodies against the sensitizing antigen produces antibodies after an exposure to a known antigen clumps antibody-antigens linkages together to form immune complexes?

When does a spring tide occur? question 9 options: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall. they occur on the date of the vernal equinox each year, no matter what stage the moon is in. this is why they are called spring tides. they occur when the sun, moon, and earth are at 45-degree angles from each other. this happens once every spring. they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.