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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Hope this helped!
<h3>~AH1807</h3>
Answer:
The mash grass was 0.62 m tall. (Quantitative)
The experimental group was yellow with green spots (Qualitative)
Explanation:
Quantitative= data values are given
Answer: Carnivores have unique characteristics of their jaw articulation, or the joint between their upper and lower jaws, which enable them to more.
The tilt of earth gives us our four season. (The other answer is wrong, trust me i checked my answer and looked it up)