In a natural closed DNA that is negatively supercoiled, the intercalation of ethidium bromide first removes the negative supercoils and then introduces positive supercoils.

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#Id: 6546

#Unit 7. System Physiology – Animal

Insulin also activates PKB which phosphorylates the Rab GAP protein AS160

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#Id: 7193

#Unit 5. Developmental Biology

Class I MHC, glycoproteins expressed on the surface of nearly all nucleated cells; the major function of the class I is presentation of endogenous peptide antigens to CD8+ T cells.

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#Id: 2038

#Unit 8. Inheritance Biology

Prophage - Phage genome that is integrated into a bacterial chromosome.

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#Id: 5657

#Unit 7. System Physiology – Animal

The bony labyrinth is a series of channels and filled with a fluid called perilymph, which has a relatively low concentration of K+, similar to that of plasma or the cerebral spinal fluid

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#Id: 8628

#Unit 2. Cellular Organization

APC/C consists of 14 core subunits in metazoans and 13 core subunits in yeast.