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Functional group

Functional group- a group of atoms within a molecule that interacts in predictable ways with other molecules

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Blood Genetics help please

... (enzymes) that produce the sugar antigens. The O allele enzyme is non-functional, so that the basic sugar antigen is unaltered. The A and B allele ... AB), then both A and B antigens are present and the person has a blood group of AB. Because both the A and B antigens are produced, the A and B ...

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by girlslovebarbie
Sat Feb 01, 2014 2:58 pm
Forum: Genetics
Topic: Blood Genetics help please
Replies: 2
Views: 2439

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

... nutritional state in early life, source of the sample, occupational group, cause of death, lapse of time after death, temperature after death, ... interracial comparisons are invalid. The histological, chemical and functional counterparts of big and small brains in modern man are not known. ...

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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: 72
Views: 269827


... simplest mechanism I can think of is that the dominant gene codes for a functional polypeptide, while the recessive gene codes for an afunctional ... possible for a trait that benefits individuals to ultimately harm the group or even the whole species (see group selection ). Selfishness and uninhibited ...

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by wildfunguy
Sat Aug 10, 2013 6:02 pm
Forum: Cell Biology
Topic: Do chromosomses ever get competitive?
Replies: 9
Views: 7385

Re: question for evolutionary biologist.

... a new species? They took the DNA from one species, added some non-functional "comment lines", removed the DNA from a closely related ... which is believed to be the principal virulence factor of the mycoides group of mycoplasmas . The genome also contains added watermark sequences ...

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by scottie
Thu Sep 13, 2012 1:22 pm
Forum: Evolution
Topic: question for evolutionary biologist.
Replies: 26
Views: 28512

Molecular gene (genome) concept scientifically untenable

... remained a hypothetical nonphysical entity. Thomas Hunt Morgan and his group contributed substantially to the understanding of the mechanism of ... classical molecular concept, a gene is a stretch of DNA that encodes a functional product, a single polypeptide chain or RNA molecule. The entire ...

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by PAWahid
Wed May 02, 2012 4:54 am
Forum: Molecular Biology
Topic: Molecular gene (genome) concept scientifically untenable
Replies: 12
Views: 28991
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