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: 5079

#5. Developmental Biology

The pattern of embryonic development in which only the cells lacking yolk subsequently undergo cleavage is called:

TLS Online TPP Program

#Question id: 408

#1. Molecules and their Interaction Relevant to Biology

Which of the following compounds has the largest negative value for the standard free-energy change (DG'°) upon hydrolysis?

TLS Online TPP Program

#Question id: 11296

#10. Ecological Principles

Which of the following statements is true?

TLS Online TPP Program

#Question id: 552

#1. Molecules and their Interaction Relevant to Biology

Which of the following is true of the binding energy derived from enzyme-substrate interactions?

TLS Online TPP Program

#Question id: 23354

#Aptitude

If your students remain unsatisfied even after your teaching a particular lesson or content, what would you like to do under these conditions?