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TLS Online TPP Program

#Id: 383

First the H3.H4 assemble into tetramer (HOI) then DNA wrapped over H3.H4 tetramer. 

#Unit 2. Cellular Organization #Structure & Assembly of Histones #Part B Pointers
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TLS Online TPP Program

#Id: 2632

#Unit 13. Methods in Biology

The principle behind the S1 mapping method is to label a single stranded DNA probe that can hybridize only to the transcript of interest. 
TLS Online TPP Program

#Id: 6791

#Unit 3. Fundamental Processes

pri-miRNA is processed in a two-step reaction
The first step is catalyzed by Drosha, an RNase III superfamily member endonuclease, in the nucleus. Drosha reduces the pri-RNA to about a 70-bp, hairpin-shaped precursor fragment, pre-miRNA
TLS Online TPP Program

#Id: 1889

#Unit 4. Cell Communication and Cell Signaling

Thymic selection
The most distinctive property of the mature T cells is that they recognize only foreign antigen combined with self-MHC molecules.
TLS Online TPP Program

#Id: 6067

#Unit 10. Ecological Principles
TLS Online TPP Program

#Id: 10103

#Unit 4. Cell Communication and Cell Signaling

Hemidesmosomes
Adhesion type- Cell-matrix
Cytoskeletal attachment- Intermediate filaments