Answer:
The antibodies produced by a vaccine only fight specific antigens.
Explanation:
Antibodies only bind to specific antigen during an immune reaction. The introduction of foreign substance in the body stimulate the B-cells to produce antibodies that fight against infections. Only specific antibodies are produced following antigen presenting cells that bind to antigens. They capture and display the antigens to the antibodies.
Because it is polar and it is to large to cross the membrane and because the concentration gradients are to strong so they have to be diffused.
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please mark as brainliest
A:similar animal fossils found in South America and Africa
They go to the brain then sent out to the rest of your body