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Blood groups

Blood group substance

blood group-specific substances a and B, solution of complexes of polysaccharides and amino acids that reduces the titre of anti-a and anti-B isoagglutinins in serum from group O persons; used to render group O blood reasonably safe for transfusion into persons of group A, B, or ab, but does not affect any incompatibility that results from various other factors, such as rH.


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Blood groups agglutination

By mixing test tube containing Group O cells, UDP-Gal, B-serum with group O serum why would there be agglutination? Can someone please explain the biochemistry behind it?

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by revision
Wed Feb 12, 2014 9:56 pm
 
Forum: Molecular Biology
Topic: Blood groups agglutination
Replies: 0
Views: 197

Blood Genetics help please

Maybe you should tell us the blood groups :roll: And try to solve it first.

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by JackBean
Thu Feb 06, 2014 12:52 pm
 
Forum: Genetics
Topic: Blood Genetics help please
Replies: 2
Views: 727

Blood Genetics help please

The A, B and O antigens of the human blood system are sugars that can be found on the surface of red blood cells. The alleles ... information, what are the possible genotypes of people with the following blood groups?

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by girlslovebarbie
Sat Feb 01, 2014 2:58 pm
 
Forum: Genetics
Topic: Blood Genetics help please
Replies: 2
Views: 727

What do you do when talking to creationists?

... You also need to learn about the Nested Hierarchy model of groups within groups - so bats are in mammals and have all the mammalian characteristics (no DNA in red blood cells, in/out lungs, hair, live birth, etc). Although there are many species ...

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by FriarBroccoli
Sat Jan 18, 2014 2:40 am
 
Forum: Evolution
Topic: What do you do when talking to creationists?
Replies: 4
Views: 1540

Re: Brain size=IQ level theory (Blacks vs Whites & Asians)

... presence or absence of cerebrospinal fluid, of meninges, and of blood-vessels. Valid comparisons between the brain-weight of human populations ... a comprehensive study comprising the multitudinous African ethnic groups in order to arrive at an average brain size for blacks. No such study ...

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by Seth90210
Sat Oct 26, 2013 7:38 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 68
Views: 219489
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