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TLS Online TPP Program

#Question id: 27642

Choose the incorrect statement regarding β-turns

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. Type I turns are more common than type II
  2. Proline fits best in the 3 position of the type I turn
  3. In the type II turn, proline is preferred at the 3 position, whereas the 2 position prefers glycine or small polar residues.

  4. In the type II turn, proline is preferred at the 2 position, whereas the 3 position prefers glycine or small polar residues.

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TLS Online TPP Program

#Question id: 28852

#Unit 2. Cellular Organization

Which of the following proteins are End-Binding Proteins?
a) XMAP215
b) Op18
c) Kinesin-13
d) stathmin
TLS Online TPP Program

#Question id: 28853

#Unit 2. Cellular Organization

Stathmin enhances that a growing microtubule will switch to the shrinking state in which condition?
a) When it increases the effective concentration of tubulin subunits that are available for polymerization 
b) When it decreases the effective concentration of tubulin subunits that are available for polymerization 
c) When stathmin is in phosphorylated condition
d) When stathmin is in dephosphorylated condition
TLS Online TPP Program

#Question id: 28854

#Unit 2. Cellular Organization

which protein promotes breakage by extracting tubulin subunits from the wall of the microtubule (also releases microtubules from MTOCs) ?
TLS Online TPP Program

#Question id: 28855

#Unit 2. Cellular Organization

which protein promotes breakage by extracting tubulin subunits from the wall of the microtubule (also releases microtubules from MTOCs) ?
TLS Online TPP Program

#Question id: 28856

#Unit 2. Cellular Organization

The main families of motor proteins mediate transport along microtubules Kinesin-1 which is similar to myosin II that contain various domains such as
I) Head domain
II) Stalk domain
III) Tail domain
a) forms a long coiled-coil
b) at the C-terminus that attaches to cargo
c) at the N-terminus of the heavy chain
d) at the C-terminus of the heavy chain

Correctly match the following domains with given characters;
TLS Online TPP Program

#Question id: 28857

#Unit 2. Cellular Organization

Which of the following motor proteins mediate the  transport along microtubules similar to myosin II ?