Which of the following mutations might confer a competitive advantage to an athlete by raising his or her hematocrit?

a. excess production of erythropoietin                       

b. decreased production of erythropoietin

c. EpoR that cannot bind STAT5                  

d. EpoR that cannot bind SHP1

e. EpoR that cannot bind JAK2

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#Question id: 3052

#Unit 2. Cellular Organization

How many average CFU will form on petriplate if 0.1ml sample plating from 104 diluted sample (original sample contain 3x10^7 bacteria per ml)

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#Question id: 11321

#Unit 10. Ecological Principles

What is a constitutive plant defense?

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#Question id: 7031

#Unit 5. Developmental Biology

During early development in drosophila, which process can be predictably inhibited by drugs that block microtubules?

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#Question id: 5040

#Unit 5. Developmental Biology

 The establishment of the anterior-posterior or dorsal-ventral body axes is called:

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#Question id: 12710

#Unit 8. Inheritance Biology

When the two gene is present on the same chromosome and 50% chance of crossing over take place, then this is the case of ,