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Biology, 22.06.2019 01:30
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 03:00
The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates
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Biology, 22.06.2019 11:30
Which benefit of the community experience when its members have a hide level of health literacy
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Biology, 22.06.2019 11:50
Approximately what wavelength of light is best absorbed by chlorophyll a
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State four equipment used for harvesting a fish...
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