Biology, 26.02.2021 23:40, diwashkandel6pe02af
If a mouse is given a dose of radiation sufficient to destroy its immune system,
then injected with purified hematopoietic stem cells, what should happen?
A-
The mouse survives over 3 months and if successful transplantation
of their new HSCs rescues a second lethally irradiated recipient,
they can be considered to have received near pure HSC,
reconstituting their immune system.
B-
The mouse's remaining immune cells will cause a graft versus host
immune reaction, targeting the new HSCs for destruction.
C-
The new HSCs will over proliferate and the mouse will develop
leukemia.
D- the mouse dies as its immune system might attack the HSC.
Answers: 1
Biology, 22.06.2019 06:30, ktown9
Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?
Answers: 3
Biology, 23.06.2019 01:00, Jazminfun70
30 points! explain the 3 differences in the chart below: flowers cones spores 1. 1. 1. 2. 2. 2. 3. 3. 3. i am not sure what the differences between them are, if someone could explain that would be
Answers: 1
If a mouse is given a dose of radiation sufficient to destroy its immune system,
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