The following features are included between the shoot buds and somatic embryo;

                                                                             FEATURES

A) SHOOT BUD                                 i) Originated from the many cells, usually superficial

B) SOMATIC EMBRYO                        ii) Polarity is defined as bipolar; both shoot and root poles present

                                                        iii) Vascular strands connected with those present in callus/explant

                                                       iv) Easily separated from the callus/explant

                                                        v) There is no vascular connection with callus/explant

Which of the following correctly represents the features of  shoot buds and somatic embryo?

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?

TLS Online TPP Program

#Question id: 28784

#Unit 2. Cellular Organization

Cytochalasin D,  a fungal alkaloid, depolymerizes actin filaments by___