the blood groups are (A ,B,AB,O)
THE blood group AB is called the universal receiver because any other blood group can be compatible with this blood group this is due to the absence of anti-bodies in this type
while blood group O is called the universal donor because it is compatible with all blood groups due to the absence of antigen (A and B)
while blood group A receives blood from itself and O and donates blood to itself and AB the same thing goes with blood group B

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3 years ago

Which of the following is true about the rock shown in the image above?

Mumz [18]

Answer:

Explanation:

It is a fossil of sea shells

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3 years ago

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Tommy is planning his science fair project. He wants to measure the rate of photosynthesis in plants that live in fresh water. I

frozen [14]

Its An experiment because it doesnt ask a testable question
So its B
i hoped it helped SIS

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3 years ago

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Describe pros and cons of genetic engineering to modify food and in-vitro fertilization.

juin [17]

Genetic engineering:Pros: produces more food, makes organisms more fit, increases knowledge and knowledge is good.Cons: Some say it's: playing God, dangerous due to recombination of DNA, contamination of the gene pool, big pharma could take over the "means of production".
In-vitro fertilization: Pros: Allows people who couldn't have children to do so, increases knowledge and knowledge is good.Cons: Expensive (really expensive), can lead to overpopulation (minor), can be done irresponsibly (minor as everything can be).

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3 years ago