Which of the following mutations would promote malignancy in cells whose proliferation is inhibited by TGFβ?

a. overexpression of Smad2               

b. loss of Smad 4

c. overexpression of TGFβ receptor I

d. loss of TGFβ receptor II

TLS Online TPP Program

#Question id: 29050

#Unit 10. Ecological Principles

Which of the following cells can withstand temperatures down to–38°C?

TLS Online TPP Program

#Question id: 29051

#Unit 10. Ecological Principles

Increase in the average body mass of animal population within a species with higher latitude is known as___

TLS Online TPP Program

#Question id: 29052

#Unit 10. Ecological Principles

Allen’s rule states that__

TLS Online TPP Program

#Question id: 29053

#Unit 10. Ecological Principles

Gloger Rule states that___

TLS Online TPP Program

#Question id: 29054

#Unit 10. Ecological Principles

The ability to withstand freezing is called supercooling, which of the following is not an example of supercooling effect?

TLS Online TPP Program

#Question id: 29055

#Unit 10. Ecological Principles

Which of the following statements is correct about biogeochemical cycling?