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: 2633

#2. Cellular Organization

In trp operon leader peptide has Which one is incorrect.

TLS Online TPP Program

#Question id: 9259

#9. Diversity of Life Forms

The oceans affect the biosphere in all of the following ways except

TLS Online TPP Program

#Question id: 15713

#12. Applied Biology

A relatively ______ concentration of auxin favours cell proliferation and root differentiation while _______levels of cytokinin promote bud differentiation.

TLS Online TPP Program

#Question id: 4360

#3. Fundamental Processes

Which of the following functions are characteristic of general transcription factors in eukaryotes?

TLS Online TPP Program

#Question id: 18224

#11. Evolution and Behavior

Proterozoic era characterized by___

a) Origin of life

b) Fossils of blue green algae

c) Most invertebrate evolved

d) First gymnosperm

e) Abundance of marine algae