Biology, 03.09.2021 01:50 carolyn7938
PLEASE HELPPP ON MY LAST ATTEMPT Arrange the following statements to create the proper order of events in the humoral immune response! 1. The helper T cell interacts with antigen presented in an MHC-Il molecule. 2. The B cell divides to produce memory B cells and effector B cells, 3. Antibodies specific for the antigen are produce in large numbers. 4. The helper T cell secretes interleukin-2 5. The B cell presents antigen fragments specific for its surface antibodies using MHC-Il molecules on the cell surface A.1,3,2,5,4 B.5, 1, 4, 2, 3 C.3, 4,2,5,1 4, 2, 5, 1, 3 D.2,4,3, 1,5
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Biology, 22.06.2019 04:30
Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?
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Biology, 22.06.2019 08:00
The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey
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Biology, 22.06.2019 09:00
Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f
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PLEASE HELPPP ON MY LAST ATTEMPT
Arrange the following statements to create the proper order of ev...
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