The force for sperm propulsion is provided by a protein attached to the microtubules. The protein is

TLS Online TPP Program

#Question id: 32310

#Unit 2. Cellular Organization

During Actin polymerization which of the following phase consider as Rate-limiting Step?

TLS Online TPP Program

#Question id: 32311

#Unit 2. Cellular Organization

Internalized receptor-ligand complexes commonly follow the pathway depicted for the:

TLS Online TPP Program

#Question id: 32312

#Unit 2. Cellular Organization

If the concentration of actin monomers is greater than the critical concentration for both the T-form and D-form polymer, what would be the outcome?

TLS Online TPP Program

#Question id: 32313

#Unit 2. Cellular Organization

Why does actin subunit addition outpace nucleotide hydrolysis at the plus end but not at the minus end?

TLS Online TPP Program

#Question id: 32314

#Unit 2. Cellular Organization

In cells expressing mutant versions of Sar1 or ARF that cannot hydrolyze GTP, what would be the result?

a. Vesicle coats do not form and vesicle buds pinch off.

b. The mutant proteins cannot trigger disassembly of the coat all available coat subunits eventually become permanently.

c. Unable to fuse with target membranes.

d. Blocking of coat disassembly.

TLS Online TPP Program

#Question id: 32315

#Unit 2. Cellular Organization

What triggers the release of the LDL particle from its receptor in the endosome?