Answer to Question #268241 in Cell Biology for sarh

Question #268241

Q1: Why a person with O blood group can donate blood to a patient with AB blood group but the opposite is impossible. Explain.

Q2:How does your body regulate the increase in the level of blood sugar after having a meal rich in carbohydrates. Focus on the relevant transporters. 

Expert's answer

1 Antibodies attack by binding to the foreign antigens on the surface of red blood cells. This is why Type O red blood cells (more specifically, O negative blood) can be donated to anyone, regardless of blood type, and is known as a 'universal donor'.

2 Normally, blood glucose levels increase after you eat a meal. When blood sugar rises, cells in the pancreas release insulin, causing the body to absorb glucose from the blood and lowering the blood sugar level to normal.

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