Ultraviolet radiation is the primary cause of sunburns
Answer:
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Explanation:
They do not get infected with tetanus because they have already been vaccinated which means there are white blood cells and antibodies ready to fight tetanus.
Their immune system is safe because the antibodies won’t let them feel sick.
A membrane bounded organelle whose main function is to undergo protein synthesis would be the ribosomes. These can be embedded in the endoplasmic reticulum or be freely floating in the cytoplasmic region of the cell.
