In mammalian cell, second slow block to polyspermy comes from___

TLS Online TPP Program

#Question id: 28778

#Unit 2. Cellular Organization

In the nucleation phase the  G-actin molecules binds to form a trimer, which makes__

a) the entire group relatively weakly to each other

b) the entire group more stable

c) the group acts as a nucleus for polymerization

d) the clump act as a secondary structure

Which of the following statements is correct?

TLS Online TPP Program

#Question id: 28779

#Unit 2. Cellular Organization

During Actin polymerization there is various phases are seen, which of the following phase consider as Rate-limiting Step ?

TLS Online TPP Program

#Question id: 28780

#Unit 2. Cellular Organization

How can be reduced or abolished the lag phase during actin polymerization?

TLS Online TPP Program

#Question id: 28781

#Unit 2. Cellular Organization

During actin polymerization, the elongation phase is exponentially increasing as rapidly increases in length of short oligomer by the addition of____

TLS Online TPP Program

#Question id: 28782

#Unit 2. Cellular Organization

The rate of polymerization of actin filaments is given by rate constant K, in which_____

a) the addition of monomers is given by kon (M^–1 sec^–1 ) 

b) the addition of monomers is given by koff  (sec^–1)

c) the loss of monomers is given koff (M^–1 sec^–1 ) 

d) the loss of monomers is given koff (sec^–1)

TLS Online TPP Program

#Question id: 28783

#Unit 2. Cellular Organization

Following statements regarding the actin polymerization;

a) the concentration of G-actin is above the Cc, the filament end will grow

b) the concentration of G-actin is below the Cc, the filament end will grow

c) (+) end of microfilament polymerization is much faster than the (-) end

d) D form that adds to the filament and the T form that leaves

Which of the following statements are correct?