Biology, 03.07.2019 23:00 sheram2010
Asubstance prepared from killed or weakened pathogens that is introduced into the body to stimulate an immune response is known as: an antigen a macrophage a vaccine a migraine
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Biology, 22.06.2019 04:00
1) strawberry plants typically reproduce by making runners, which are miniature versions of themselves, that grow off of the roots and stems of the parent. this type of vegetative reproduction is known as a) pollination. b) fragmentation. c) binary fission. d) vegetative propogation.
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Biology, 22.06.2019 04:40
The cluster of developing cells from conception until birth is called an
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Asubstance prepared from killed or weakened pathogens that is introduced into the body to stimulate...
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