Calcineurin phosphatase, dephosphorylates and activates the transcription factor, Nuclear Factor Associated with T cells (NFAT).

TLS Online TPP Program

#Id: 8614

#Unit 2. Cellular Organization

Two inhibitory phosphorylations on CDK play a critical role in controlling CDK activity:

Y15

T14

TLS Online TPP Program

#Id: 9137

#Unit 10. Ecological Principles

Toxoplasma gondii

TLS Online TPP Program

#Id: 951

#Unit 5. Developmental Biology

In sea urchin, the acrosome reaction has 2 components:

1. Exocytosis

2. Extension of the acrosomal process

TLS Online TPP Program

#Id: 3966

#Unit 2. Cellular Organization

In E.coli, Protein HU is a dimer that condenses DNA, possibly wrapping it into a beadlike structure.

TLS Online TPP Program

#Id: 3997

#Unit 2. Cellular Organization

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