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Null cells

null cells

large granular lymphocytes that lack surface markers/membrane associated proteins of either B or t lymphocytes.


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Re: Autopolyploids and Allopolyploids

... of the following reason : (Mostly polyploidy is seen in plants and in cells of muscle tissues of some animals) The presence of more than two alleles ... cannot be calculated directly. As second complication arises if ‘null’ alleles are truly present in a population. Their presence may not be ...

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by javedshaikm
Wed Mar 14, 2012 4:38 pm
 
Forum: Genetics
Topic: Autopolyploids and Allopolyploids
Replies: 2
Views: 1455

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

... body size into account, that is, the "millions of excess nerve cells" estimated by Tobias for eight subgroups and nationalities (1970, ... (1,369 vs. 1,366 cm3). Almost any confirmed hypothesis can be made null if one selects subsets of data. We do not believe such an ap30 RUSHTON ...

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by TJJ
Fri May 16, 2008 12:17 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 72
Views: 265005

Lymphoid Progenitor Cells

Then what is the difference between these cells and 'null' cells? They both seem to be an early stage of bone marrow cells Null cell or killer cell (K cell) ...

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by Dr.Stein
Mon Jan 09, 2006 8:36 am
 
Forum: Human Biology
Topic: Lymphoid Progenitor Cells
Replies: 18
Views: 15198

Lymphoid Progenitor Cells

Then what is the difference between these cells and 'null' cells? They both seem to be an early stage of bone marrow cells

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by IneptStudent
Sun Jan 08, 2006 7:01 pm
 
Forum: Human Biology
Topic: Lymphoid Progenitor Cells
Replies: 18
Views: 15198

Biology Quiz

... is Poly-A sequence upstream of a reporter gene? #Isogenic cell lines? #Null cell lines? #Aneuploid? #Monoclonal antibodies? #Lineage? #Species? #Decontaminate the cells in the quarantine? What is quarantine? #Dedifferentiation? 8)

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by summer
Wed Mar 23, 2005 1:04 am
 
Forum: Molecular Biology
Topic: Biology Quiz
Replies: 2
Views: 5541


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