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Biology, 05.12.2019 23:31, nataliahenderso
Abird builds it's nest on a tree branch. this relationship between the bird and the tree is an example of? a. competition b. commensalism c. mutualism d. parasitism
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Answers: 2
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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 08:20, jholland03
Which of these parts of the membrane large moecules pass through it ?
Answers: 1
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Biology, 22.06.2019 10:40, camiloriveraveoxbgd6
Which label identifies the part of the atp molecule that changes when energy is released in the cells of all living things
Answers: 2
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Abird builds it's nest on a tree branch. this relationship between the bird and the tree is an examp...
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