Answer:
The correct answer is D. proliferation and differentiation.
Explanation:
Primary immune response occurs due to the first exposure of an antigen to the immune system. The primary immune response is generally delayed by many days because it takes time for B and T cells to become cloned and to proliferate and differentiate.
Then after several days of proliferation and differentiation of activated T and B cells, T cells become effector T cells and B cell becomes plasma cells which then eliminates the antigen. Memory B and T cells are also produced during this process which helps in generating a quick immune response during the second and subsequent exposure of that antigen.
So the correct answer is D. proliferation and differentiation.
Answer:
A niche is a way that a population uses the living and nonliving resources of its habitat.
Explanation:
A niche is the role a population has in it's habitat, and the second option is the best one that matches.
The rise in sea levels is linked to three primary factors, all induced by this ongoing global climate change.
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<span>Virtual team is composed of individuals who are separated geographically but linked by communications technology.
</span><span>The communications technologies that are used in order the people to work include e-mail, Skype, video conferencing..
</span><span>When employees work with technology via electronic, telecommunications, and Internet means it is referred to as telework.
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