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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Bone marrow contains stem cells that give rise to all of yur blood cells.
Nitrogen is an essential nutrient for plant growth. But farmers who cultivate pulse crops like green gram, bengal gram,black gram, etc. do not apply nitrogenous fertilizers during cultivation because of following reason
1. Leguminous plants like green gram, bengal gram,black gram contain nitrogen fixing RHIZOBIUM bacteria which convert nitrogen gas of air into nitrogen compounds which can be used by plants for their compounds
2. The nitrogen fixing Rhizohium bacteria live in the root nodules of leguminous plants.
Answer:
Explanation:
Hunting and gathering tribes, industrialized Japan, Americans—each is a society. But what does this mean? Exactly what is a society? In sociological terms, society refers to a group of people who live in a definable community and share the same culture. On a broader scale, society consists of the people and institutions around us, our shared beliefs, and our cultural ideas. Typically, more-advanced societies also share a political authority.
