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Biology, 21.06.2019 20:00
Animals such as pronghorn antelope, bison ans badgers dot to the landscape. where are these animals located?
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Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.
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Biology, 22.06.2019 09:30
Along what geographical feature are most of the oil producing regions located
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Biology, 22.06.2019 16:30
How do disease caused by bacteria and disease caused by viruses react to antibiotics?
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1. Why is Earth an example of a system?...
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