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How does the length of sunlight per day change over the year
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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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What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?
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Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?
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Biology, 22.06.2019 12:00, iisanchez27
This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement
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How does the length of sunlight per day change over the year...
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