Negatively charged phosphate groups in the DNA backbone must be neutralized in order for folding of DNA to occur. In bacterial DNA, this charge neutralization is carried out by small positively charged molecules called polyamines. What proteins carry out this same function in eukaryotic cells?

TLS Online TPP Program

#Question id: 32339

#Unit 2. Cellular Organization

When the profilin–actin complex binds a free plus end, a conformational change in actin: 

TLS Online TPP Program

#Question id: 32340

#Unit 2. Cellular Organization

Actin filaments can be protected from cofilin by:

TLS Online TPP Program

#Question id: 32341

#Unit 2. Cellular Organization

Which of the following process is critical for the polarized, directed growth of the actin network that is responsible for unidirectional cell crawling and the intracellular motility of pathogens?

TLS Online TPP Program

#Question id: 32342

#Unit 2. Cellular Organization

Which of the following actin depolymerizing factor, binds along the length of the actin filament provide mechanical stress, weakens the contacts between actin subunits in the filament? 

TLS Online TPP Program

#Question id: 32343

#Unit 2. Cellular Organization

At intermediate concentrations of actin subunits, the plus end of the filament remains in the T conformation, while the minus end adopts the D conformation because:

TLS Online TPP Program

#Question id: 32364

#Unit 2. Cellular Organization

Formin has a binding site for all, except: