Examlex
A certain cell type has existed in the blood and tissue of its vertebrate host's immune system for over 20 years.One day,it recognizes a newly arrived antigen and binds to it,subsequently triggering a secondary immune response in the body.Which of the following cell types most accurately describes this cell?
Doctors
Professionally trained individuals who diagnose and treat illnesses, perform medical procedures, and promote health and well-being.
Licensed Taxicabs
Authorized taxi services that have obtained the necessary permits and licenses from the government to operate legally.
New York City
A major city in the United States, known for its significant cultural, financial, and media influence globally.
Demand Curve
An illustrated chart that displays the connection between a product's price and the amount consumers want to buy.
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