.......is the physical quantity that depends on the enertia of the body
2 answers:
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Answer:
Explanation:
B-cells engulf an antigen by endocytosis.
<u>Endocytosis:</u>
The process by which cell takes up external materials by fusing them with plasma membrane is called endocytosis.
After engulfing the antigen, B-cells become sensitive to the pathogen.
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<h3>~AH1807</h3>