TLS Online TPP Program

#Question id: 12412


In most mammalian populations the sex ratio

#Unit 10. Ecological Principles
  1. Is in favoured males across all age groups
  2. Is relatively constant over all age groups
  3. Favours females in the youngest age groups (at birth)
  4. Shifts toward females in older age groups
More Questions
TLS Online TPP Program

#Question id: 28795

#Unit 2. Cellular Organization

There are two major classes of actin-nucleating proteins:
I- Formins
II- Arp2/3 complex
a) nucleates the assembly of branched actin networks
b) landing site for profilin–ATP–G-actin
c) nucleate the assembly of unbranched filaments

Match the correct statements with ANPs-

TLS Online TPP Program

#Question id: 28796

#Unit 2. Cellular Organization

Formin family members have two adjacent domains such as;
I- FH1
II- FH2
a) form a nucleate filament assembly
b) rich in proline
c) form a dimer
d) landing site for profilin–ATP–G-actin
e) assembly of unbranched filaments

Match the correct statements with given formin family domain;

TLS Online TPP Program

#Question id: 28797

#Unit 2. Cellular Organization

Formins are activated by___

TLS Online TPP Program

#Question id: 28798

#Unit 2. Cellular Organization

To nucleate the assembly of branched actin filaments, Arp2/3 needs to be activated by___
a) Formins protein
b) nucleation promoting factor (NPF)
c) actin-nucleating proteins (ANP) 
d) Act A protein

TLS Online TPP Program

#Question id: 28799

#Unit 2. Cellular Organization

Arp2/3 needs to be activated by interacting with a nucleation promoting factor (NPF). Although there are many different NPFs, The major NPF family is characterized by the presence of a region called___

TLS Online TPP Program

#Question id: 28800

#Unit 2. Cellular Organization

Which type of signal is require to the activation of WASp, these signal input is called coincidence detection?
a) surface a protein ActA
b) regulatory phospholipid PIP2
c) small GTP-binding protein Rac1
d) small GTP-binding protein Cdc42