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Biology, 22.06.2019 01:30, ayoismeisalex
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 02:10, alexusnicole817
Draw the structure of dna nucleotide with adenine as nitrogenous base
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Biology, 22.06.2019 06:00, bandiadummy8595
Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell
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How does bioluminescence work?...
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