Wnt/calcium pathway leads to increased Ca²⁺ levels activates Ca²⁺-dependent signaling molecules such as; 

a) Protein kinase B

b) Protein kinase C

c) Ca²⁺/calmodulin-dependent protein kinase (CamKII),

d) Calcineurin phosphatase

#Question id: 2445

#Unit 2. Cellular Organization

All members of the kinesin family of motor proteins

#Question id: 2446

#Unit 2. Cellular Organization

The dynactin protein complex serves to

a. link vesicles and chromosomes to cytosolic dynein light chains.

b. link axonemal dynein to B tubules.

c. enhance the processivity of cytosolic dynein.

d. mediate microtubule attachment to centrosomes.

e. attach kinesin to vesicles.

#Question id: 2447

#Unit 2. Cellular Organization

In the axonemes, the arrangement of nine outer doublet microtubules, as well as the protofilament number of each outer doublet, is specified by

#Question id: 2448

#Unit 2. Cellular Organization

Axonemal dynein

a. may contain two or three head domains.

b. attaches to a B tubule through its base domain.

c. consists of heavy, intermediate and light chains.

d. is a (-) end-directed motor.            

e. is an ATPase.

#Question id: 2449

#Unit 2. Cellular Organization

What is the correct order of the stages of mitosis?

a. anaphase               

 b. metaphase              

c. telophase    

d. prophase                 

e. prometaphase

#Question id: 2450

#Unit 2. Cellular Organization

Which of the following contribute(s) to pole separation during anaphase B?

a. cytosolic dynein     

b. a (-) end-directed kinesin               

c. CENP-E                     

d. microtubule depolymerisation                   

e. microtubule polymerization