A nonenzymatic reaction occurs between glucose and primary amino  groups in hemoglobin (either the amino-terminal Val or the ´-amino -amino groups of Lys residues) forms GHB

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#Unit 3. Fundamental Processes

pathway. Cdt1  is initially stabilized by the protein Geminin, which prevents its degradation, and subsequent Geminin binding prevents its reuse.

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#Unit 3. Fundamental Processes

In human cells, the centromere- specific protein CENP-B is required to initiate modifications of histone H3 (deacetylation of K9 and K14, followed by methylation of K9) that trigger an association with HP1 that leads to the formation of heterochromatin in the region.

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#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.

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#Unit 5. Developmental Biology

Daudi tumor cells, which are unable to synthesize β 2-microglobulin. 

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#Unit 8. Inheritance Biology