Biology, 18.11.2019 23:31, levicorey846
Immunological memory accounts for what? a) the ancient observation that someone who had recovered from the plague could safely care for those newly diseasedb) the human body's ability to distinguish self from nonselfc) the ability of the immune system to present antigen fragments in association with mhc antigensd) the observation that some strains of the pathogen that causes dengue fever cause worse disease than otherse) the ability of a t-cells to signal b-cells via cytokines
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Biology, 21.06.2019 18:30, lifeislove3251
What type of cell is produced after fertilization occurs and the gametes combines ?
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Biology, 22.06.2019 09:00, jayleneeeee
What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water
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Biology, 22.06.2019 10:30, lexiemornelas
During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing
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Immunological memory accounts for what? a) the ancient observation that someone who had recovered fr...
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