The sequence AAUAAA (hexamer) is a signal for cleavage to generate a 3’ end of mRNA that is polyadenylated.

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#Id: 5278

#Unit 7. System Physiology – Animal

Potassium channels remain open for another few tenths of a second, with resultant excess negativity inside the fiber; this process is called hyperpolarization.

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#Id: 2859

#Unit 13. Methods in Biology

The constructive method involved direct analysis of protein and gives absorbance at wavelength of 280 nm.

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#Id: 4748

#Unit 5. Developmental Biology

Once PAR-1 is in the cortical cytoplasm, it phosphorylates PAR-3 causing PAR-3 and its binding partners PAR-6 and PKC-3 to leave the cortex.

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#Id: 8072

#Unit 1. Molecules and their Interaction Relevant to Biology

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#Id: 1140

#Unit 2. Cellular Organization

Ubiquitin-Protein Ligases-

APC/CCdc20 - Degradation of securin, initiating anaphase, Induces degradation of B-type cyclins