Spindle position checkpoint pathway ensures that the nucleus is accurately partitioned between two daughter cells

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#Id: 6710

#Unit 3. Fundamental Processes

p53 tumor suppressor protein appears to be post-translationally modified by phosphorylation and acetylation in PML nuclear bodies

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#Id: 4911

#Unit 13. Methods in Biology

Variance always has squared units. For example, the variance of a set of weights estimated in kilograms will be given in kg squared.

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#Id: 10287

#Unit 4. Cell Communication and Cell Signaling

T-Cell - Cells leaving the thymus are functional, mature T cells expressing unique and specific T-cell receptors (TCRs) that are both tolerant to self and restricted to self-MHC.

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#Id: 377

#Unit 2. Cellular Organization

For negatively supercoiled circle W < 0 

For a positively coiled superhelix W > 0.

 

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#Id: 7589

#Unit 5. Developmental Biology

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