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Harlamova29_29 [7]
4 years ago
8

Why do vaccines work for some diseases but not others?

Biology
2 answers:
snow_tiger [21]4 years ago
4 0

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

otez555 [7]4 years ago
3 0

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.

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Answer;

-Endocytosis

Explanation;

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-Phagocytosis: endocytosis of large solid particles (“cell eating”)

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-Receptor-mediated: highly selective, ligands bind to specific receptor proteins on the plasma membrane and are then taken into the cell

-Exocytosis: the reverse of endocytosis: substances are removed from the cell; vesicles fuse with plasma membrane and release their contents into the extracellular fluid; important in nerve cells to release neurotransmitter and secretory cells to release cell products (ex. digestive enzymes, protein hormones).

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Answer:

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3 years ago
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If cells are placed in a hypertonic solution containing a solute to which the membrane is impermeable, what could happen?
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Answer: A

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