I believe the answer is B. <span>The antibodies on B cells bind to the antigens on the pathogen's surface.
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Hello there.
Question: <span>During the ________ stage, the placenta is expelled from the uterus.
Answer: It is the placental stage.
Hope This Helps You!
Good Luck Studying ^-^</span>
<span>The total number of genes present in a population is called the gene pool. Hope this helps </span>