The epidermal coloration of the African grasshopper is a striking example of irreversible developmental responses to environmental conditions. Which of the following statements is true?

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#Question id: 2463

#Unit 2. Cellular Organization

 In the operational model for movement of myosin along an actin filament, the power stroke occurs during:

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#Question id: 4983

#Unit 11. Evolution and Behavior

As rat pups mature, the growth of their snouts and tails outpaces growth of the rest of their bodies, producing the appearance of sexually mature males. It is found that sexually mature female rats prefer to mate with mutant, sexually mature males that possess snouts and tails with juvenile proportions. Which of the following terms is (are) appropriately applied to this situation?

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#Question id: 14889

#Unit 4. Cell Communication and Cell Signaling

If we provide  the Ikaros signals to the HSCs cell  is converted into

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#Question id: 14890

#Unit 4. Cell Communication and Cell Signaling

In bone marrow, stem cells are committed to different lineages. Factors that stimulate colonies of these different lineages are interleukin-3 granulocyte- macrophage colony stimulating factor (GM-CSF)

A) Granulocyte colony stimulating factor ( G-CSF )and 

B) Macrophage colony- stimulating factor (M-CSF) are formed;

i) Natural killer cells

ii) Monocytes

iii) Granulocytes

iv) Neutrophills

Find out the correct combination of these macrophages;

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#Question id: 12861

#General Aptitude

The length of two sides of an isosceles triangle are 15 and 22 respectively. What are the possible values of perimeter ?