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TLS Online TPP Program

#Question id: 13022

A certain species of pine tree survives only in scattered locations at elevations above 2,800 m in the western United States. To understand why this tree grows only in these specific places an ecologist should

#Unit 10. Ecological Principles
  1. Conclude that lower elevations are limiting to the survival of this species.
  2. Study the anatomy and physiology of this species.
  3. Investigate the various biotic and abiotic factors that are unique to high altitude.
  4. Analyze the soils found in the vicinity of these trees, looking for unique chemicals that may support their growth.
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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 
TLS Online TPP Program

#Question id: 32583

#Unit 2. Cellular Organization

Which of the following C-terminal kinesin generally travel in the opposite direction from the majority of kinesins?? 
TLS Online TPP Program

#Question id: 32584

#Unit 2. Cellular Organization

Which of the following statement regarding dynein motor is related to myosins and kinesins?
TLS Online TPP Program

#Question id: 32585

#Unit 2. Cellular Organization

Which of the following motor responsible for retrograde axonal transport? 
TLS Online TPP Program

#Question id: 32586

#Unit 2. Cellular Organization

Which of the following protein are required for positioning the Golgi apparatus near the cell center of animal cells? 
TLS Online TPP Program

#Question id: 32587

#Unit 2. Cellular Organization

What happens to the endoplasmic reticulum (ER) and the Golgi apparatus when cells are treated with a drug that depolymerizes microtubules, such as colchicine or nocodazole?