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Blood type O negative (O-) is the universal donor because it can be safely transfused to recipients with any blood type. This versatility exists because O- red blood cells lack the A, B, and Rh antigens that could trigger immune responses in recipients. During medical emergencies when there's no time to determine a patient's blood type, O- blood is the safest option for transfusion. Ironically, while O- donors can give blood to anyone, they themselves can only receive O- blood due to their own immune system's sensitivity to foreign antigens.
What is the required conversion period for an organic farm to be certified?
SSNM aims at supplying
Specific yield is also known as
Which one of the following is Indian Major Carps
Recently, Indian Agriculture Research Institute (IARI) successfully tested two new dwarf varieties of Kalanamak rice – Pusa Narendra Kalanamak 1638, 1...
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Pest population at a damaging level?
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The rearing of young bee to replace the old queen bee is
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