However, these mutations also interfere with the synthesis of melanin pigment, lightening the color of the hair; therefore, individuals with PKU frequently have light brown or blond hair.

TLS Online TPP Program

#Id: 8162

#Unit 2. Cellular Organization

For selective export of certain membrane proteins from the ER contain a di-acidic sorting signal (Asp-X-Glu, or DXE), which binds to the Sec24 subunit of the COPII

TLS Online TPP Program

#Id: 8938

#Unit 2. Cellular Organization

The Mad1-Mad2 complex bound to a kinetochore adopts the active closed form (Mad2-C) and has the ability to convert inactive open Mad2 (Mad2-O) in the cytoplasm into active closed Mad2 is able to inhibit APC/Ccdc²⁰

TLS Online TPP Program

#Id: 7959

#Unit 2. Cellular Organization

Unfolded-protein response

Key protein –Ire1 promotes formation of Hac1

TLS Online TPP Program

#Id: 3114

#Unit 3. Fundamental Processes

Bacterial replicons are usually circles that replicate bidirectionally from a single origin.

TLS Online TPP Program

#Id: 5313

#Unit 7. System Physiology – Animal

Rapid Ventricular Ejection When ventricular pressure becomes greater than aortic pressure, the aortic valve opens (left heart).