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TLS Online TPP Program

#Question id: 2421

Listeria is a bacterial parasite that has evolved unique ways to enter animal cells and then use actin polymerization for its intracellular movement.  Which of the following statements is true in regard to Listeria and actin polymerization?

#Unit 2. Cellular Organization

  1. Listeria ActA protein binds and inactivates the Arp2/3 complex.

  2. Listeria ActA binds VASP, which enhances ATP-actin assembly.

  3. Cofilin is necessary to accelerate the assembly of the (−) end of the filament.

  4. CapZ promotes the elongation of the filament.

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TLS Online TPP Program

#Question id: 5175

#General Aptitude

Find the numbers of multiples 2^4×3^5×5^6 .        
TLS Online TPP Program

#Question id: 3913

#Unit 3. Fundamental Processes

The sigma-70 subunit
TLS Online TPP Program

#Question id: 762

#Unit 1. Molecules and their Interaction Relevant to Biology

Regarding the sugar residues in nucleic acids, which, if any, of the following statements is incorrect?
TLS Online TPP Program

#Question id: 31047

#Unit 4. Cell Communication and Cell Signaling

R7 photoreceptors develop normally in the developing eyes of Drosophila mutants that lack a functional Ras or Raf protein but express :
TLS Online TPP Program

#Question id: 11121

#Unit 7. System Physiology – Animal

Which of the following statements concerning the mechanoreceptive receptor potential is/are true?