Kinesin-5 forms tetramers, assembled in a bipolar configuration to interact with two antiparallel microtubules and move toward the (+) ends.

TLS Online TPP Program

#Id: 3132

#Unit 3. Fundamental Processes

The GATC sites at the origin remain hemimethylated for -13 minutes after replication.

TLS Online TPP Program

#Id: 1370

#Unit 4. Cell Communication and Cell Signaling

Binding resembles the insertion of a two-pronged “plug”—the phosphotyrosine and isoleucine side chains of the peptide—into a two-pronged “socket” in the SH2 domain.

TLS Online TPP Program

#Id: 3644

#Unit 3. Fundamental Processes

Many Classes I aaRSs must recognize the anticodon to aminoacylate their cognate tRNAs.

TLS Online TPP Program

#Id: 8923

#Unit 2. Cellular Organization

Surveillance mechanisms known as checkpoint pathways responsible for the extraordinarily high fidelity of cell division, ensuring that each daughter cell receives the correct number of accurately replicated chromosomes

TLS Online TPP Program

#Id: 8397

#Unit 2. Cellular Organization

Z disk 

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