TLS Online TPP Program

#Id: 1542

#Unit 2. Cellular Organization

Op18/stathmin (End-Binding Proteins) binds selectively to curved protofilaments and enhances terminal tubulin heterodimer dissociation from a microtubule end. 

 

TLS Online TPP Program

#Id: 6759

#Unit 3. Fundamental Processes

PNPase a 3’ to 5’ exonucleases in E. coli, are unable to progress through double-stranded regions. Thus, the stem-loop structure at the 3’ end of many bacterial mRNAs protects the mRNA from direct 3’ attack.

TLS Online TPP Program

#Id: 7554

#Unit 6. System Physiology – Plant

Ratio of GA:ABA affects early germination (vivipary).   With high levels of ABA, seeds remain dormant.  

TLS Online TPP Program

#Id: 5257

#Unit 7. System Physiology – Animal

Conducting cells constitute tissues of the SA node, the atrial internodal tracts, the AV node, the bundle of His, & the Purkinje system.

TLS Online TPP Program

#Id: 8565

#Unit 1. Molecules and their Interaction Relevant to Biology

In the simplest possible model, simple linear non-competitive inhibition, the substrate does not affect inhibitor-binding.