TLS Online TPP Program

#Id: 8397

#Section 3: Genetics, Cellular and Molecular Biology

Z disk 

Thin actin filaments are assembled with their (+) ends embedded in a densely staining structure

TLS Online TPP Program

#Id: 7326

#Section 3: Genetics, Cellular and Molecular Biology

TLS Online TPP Program

#Id: 9270

#Section 2: General Biology

MoFe protein 

2 pairs of identical subunits (tetramer, nif D & nif K)

A total of MW 180 ~ 235kD

Each subunit has 2 Mo-Fe-S clusters.

Both Fe proteins and MoFe proteins are sensitive to O2. 

TLS Online TPP Program

#Id: 7938

#Section 3: Genetics, Cellular and Molecular Biology

The SRP and the nascent polypeptide chain–ribosome complex bind to the SRP receptor in the ER membrane. This interaction is strengthened by the binding of GTP to both the SRP and its receptor.

TLS Online TPP Program

#Id: 8598

#Section 3: Genetics, Cellular and Molecular Biology

Labile factors called cyclins drive the progression of cells through different stages of the cell cycle by binding to CDKs.