TLS Online TPP Program

#Question id: 1332


Desmosomes

#Unit 4. Cell Communication and Cell Signaling
  1. associate with actin filaments on the cytoplasmic side.

  2. contain the transmembrane cadherin proteins desmoglein and desmocollin.

  3. interconnect fibroblasts.      

  4. contain integrins.

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TLS Online TPP Program

#Question id: 27643

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is correct regarding the Type I β turn positions in Ramachandran plot

TLS Online TPP Program

#Question id: 27644

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is incorrect regarding the Type II  β turns

TLS Online TPP Program

#Question id: 27645

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is correct regarding the β turns

(1) In Type I β turn i+1 lies in RHH region while i+2 lies near BS region 

(2) In Type II β turn i+1 lies in BS while i+2 lies in below LHH

(3) In Type I’ β i+1and i+2 in near LHH which virtually not allowed region for most of amino acid except Gly 

(4) In Type II’ β i+2 lies at 00 psi and i+1 in lower right region both i+2 and   i+1  must be Gly

TLS Online TPP Program

#Question id: 27664

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is correctly representing the distance between two successive C α Carbon in a peptide chain

TLS Online TPP Program

#Question id: 27665

#Unit 1. Molecules and their Interaction Relevant to Biology

There are few statements is given regarding the peptide bond configuration in a chain

(a) The peptide bond is normally (99.6% of the time) in the trans configuration, constraining  to a value of w=+_180

(b) The peptide bond is normally (99.6% of the time) in the Cis configuration, constraining  to a value of w=+_180

(c) In the trans configuration of peptide bond C and C=O lies in the Same plane while in different plane in case of cis configuration 

(d) In the trans configuration of peptide bond C and C=O lies in the different plane while in same plane in case of cis configuration 

Choose which of the following is correct

TLS Online TPP Program

#Question id: 27666

#Unit 1. Molecules and their Interaction Relevant to Biology

Co and N atoms of the peptide bond are both in