TLS Online TPP Program

#Question id: 6970


Neural crest cells will become:

#Unit 5. Developmental Biology
  1. neurons in the sympathetic ganglia of the autonomic nervous system
  2. neurons in the dorsal root ganglia of the peripheral nervous system
  3. pigment cells in the dermis
  4. all of the above are derived from neural crest cells
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TLS Online TPP Program

#Question id: 2445

#Unit 2. Cellular Organization

All members of the kinesin family of motor proteins

TLS Online TPP Program

#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.

TLS Online TPP Program

#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

TLS Online TPP Program

#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.

TLS Online TPP Program

#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

TLS Online TPP Program

#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