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TLS Online TPP Program

#Id: 2167

Natural selection is any consistent difference in fitness among different classes of biological entities.

#Unit 11. Evolution and Behavior #Fitness and natural Selection #Part B Pointers
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TLS Online TPP Program

#Id: 10004

#Unit 4. Cell Communication and Cell Signaling

Indian hedgehog is expressed in the gut and cartilage and is important in postnatal bone growth
TLS Online TPP Program

#Id: 8118

#Unit 1. Molecules and their Interaction Relevant to Biology

 Glycosphingolipids as determinants of blood groups.
TLS Online TPP Program

#Id: 393

#Unit 2. Cellular Organization

Using the clock analogy again, the DNA associated with H2A.H2B is located from 5 o’clock to 9 o’clock on either face of the nucleosome disc.
TLS Online TPP Program

#Id: 7589

#Unit 5. Developmental Biology

Hyperactivation mediated by the opening of the sperm specific calcium channels, the CatSper proteins, in the sperm tail.
TLS Online TPP Program

#Id: 1479

#Unit 4. Cell Communication and Cell Signaling

Characterization of the disease-causing deletion showed that the absence of two miRNAs, miR-15-a and miR-16-1, causes chronic lymphocytic leukemia (CLL)