Biology, 19.09.2019 02:10, jenna34032
During a cell-mediated immune response, which of the following describes how infected cells are detected by the immune system? the infected cell’s membrane shows some of the antigens of the invading pathogen. the pathogen engulfs and destroys healthy cells, leaving antigens behind. antibodies bind with the pathogen’s antigens, causing inflammation and swelling. memory b cells recognize the cell shape that results from infection by specific pathogens.
Answers: 3
Biology, 21.06.2019 19:30, madisonnxo
Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited
Answers: 1
Biology, 22.06.2019 07:50, Amholloway13
Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers
Answers: 3
Biology, 22.06.2019 09:30, tbair5417
Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit
Answers: 1
During a cell-mediated immune response, which of the following describes how infected cells are dete...
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