Which of the following structure of egg homologous to the acrosomal vesicle of the sperm?

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?

TLS Online TPP Program

#Question id: 32316

#Unit 2. Cellular Organization

What phenomenon occurs when the rate of actin subunit addition is faster than nucleotide hydrolysis at the plus end but slower than nucleotide hydrolysis at the minus end?

TLS Online TPP Program

#Question id: 32317

#Unit 2. Cellular Organization

What type of interaction occurs between the β-propeller domain and the LDL-binding domain at low pH?

TLS Online TPP Program

#Question id: 32331

#Unit 2. Cellular Organization

Following statements about actin filament assembly are correct EXCEPT:

TLS Online TPP Program

#Question id: 32332

#Unit 2. Cellular Organization

The kinetic rate constants for actin subunit association and dissociation— kon and koff, respectively are much greater at the: