Practice Questions

TLS Online TPP Program

#Question id: 24327

What is the major roles of Tight junctions in animal cells?

#Unit 4. Cell Communication and Cell Signaling

seal off body cavities and restrict diffusion of membrane components.
function as transmembrane linkers (integrators) between the extracellular matrix and the actin cytoskeleton.
permit the passage of molecules as large as 1.2 nm in diameter.
functions as a tension cable that can internally brace the cell and thereby control its shape.

More Questions

TLS Online TPP Program

#Question id: 166

#Unit 1. Molecules and their Interaction Relevant to Biology

For amino acids with neutral R groups, at any pH below the pI of the amino acid, the population of amino acids in solution will have:

TLS Online TPP Program

#Question id: 33280

#Unit 2. Cellular Organization

During spindle assembly checkpoint, any kinetochore that is not properly attached to microtubules sends out a diffusible negative signal that blocks:

TLS Online TPP Program

#Question id: 23574

#Unit 8. Inheritance Biology

Which of the following are played an important role in the evolution of human chromosomes?

TLS Online TPP Program

#Question id: 28657

#Unit 2. Cellular Organization

Cohesins are composed of which of the following subunits?

TLS Online TPP Program

#Question id: 5099

#Unit 5. Developmental Biology

Which of the following is common to the development of birds and mammals?