During exit from mitosis and G1, 

Cdh1 is de-phosphorylated and APC/Ccdh1 is active.

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#Unit 5. Developmental Biology

Adult stem cells must maintain the long-term ability to divide, be able to produce some differentiated daughter cells, and still repopulate the stem cell pool.

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#Unit 7. System Physiology – Animal

The responses of amacrine cells produce depolarizing potential

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#Id: 630

#Unit 3. Fundamental Processes

Replacement of Pyrimidine to Purine or vice versa is called Transversion.

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#Unit 2. Cellular Organization

The lac mRNA (as most mRNA is in bacteria) is extremely unstable and decays with a half-life of only 3 minutes.

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#Unit 4. Cell Communication and Cell Signaling

Sometimes the tumor cells up-regulate the expression of anti-apoptotic proteins like BCL-2.