Which statements about K are correct?

I) K varies among populations.

II) K varies in space.

III) K varies in time.

IV) K is constant for any given species.

TLS Online TPP Program

#Question id: 32577

#Unit 2. Cellular Organization

Which of the following binds to and stabilizes microtubules & causing a net increase in tubulin polymerization?

TLS Online TPP Program

#Question id: 32578

#Unit 2. Cellular Organization

In budding yeast, microtubules are nucleated at an MTOC that is embedded in the nuclear envelope as a small, multilayered structure called:

TLS Online TPP Program

#Question id: 32579

#Unit 2. Cellular Organization

In many cells, the minus ends of microtubules are stabilized by association with:

a. Capping proteins

b. Kinesin-13

c. Dynein

d. γ-TuRC

TLS Online TPP Program

#Question id: 32580

#Unit 2. Cellular Organization

Which of the following conventional kinesin carries membrane- enclosed organelles away from the cell body toward the axon terminal? 

TLS Online TPP Program

#Question id: 32581

#Unit 2. Cellular Organization

Which of the following motor protein has a central motor domain and does not walk at all, but uses the energy of ATP hydrolysis to depolymerize microtubule ends? 

TLS Online TPP Program

#Question id: 32582

#Unit 2. Cellular Organization

During the mechanochemical cycle of kinesin, the forward displacement of the motor domain is driven by: 

a. Dissociation of ADP from trailing head 

b. Binding of ATP in the leading head

c. Dissociation of ADP from leading head

d. Binding of ATP in the trailing head