TLS Online TPP Program

#Question id: 1273


Proteoglycans are a group of cell-surface and extracellular-matrix substances that

#Unit 4. Cell Communication and Cell Signaling
  1. are highly positively charged.           

  2. have a molecular weight less than 1000.

  3. may contain heparan sulfate as a constituent.

  4. bind to collagens and fibronectin.

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TLS Online TPP Program

#Question id: 28037

#Unit 1. Molecules and their Interaction Relevant to Biology

Intrinsically disordered proteins have properties that are distinct from classical structured proteins, so which of the following's statements are true regarding Intrinsically disordered proteins 
(1) Intrinsically disordered proteins  lacks hydrophobic core
(2) Intrinsically disordered proteins have a hydrophobic core
(3) Intrinsically disordered proteins have high densities of charged amino acid residues such as Lys, Arg, and Glu
(4) Functional promiscuity is the characteristics of  Intrinsically disordered proteins are.

TLS Online TPP Program

#Question id: 28038

#Unit 1. Molecules and their Interaction Relevant to Biology

PONDR (Predictor of Natural Disordered Regions) A score of 1.0 indicates a probability of 

TLS Online TPP Program

#Question id: 28039

#Unit 1. Molecules and their Interaction Relevant to Biology

Proteins particularly those with molecular masses >100 kD, consist of more than one polypeptide chain. These polypeptide subunits associate with a specific geometry. The spatial arrangement of these subunits is known as 

TLS Online TPP Program

#Question id: 28040

#Unit 1. Molecules and their Interaction Relevant to Biology

Cyclic symmetries, Dihedral symmetries, Tetrahedral symmetry, Octahedral (cubic) symmetry, Icosahedral symmetry these symmetry arises as a result of 

TLS Online TPP Program

#Question id: 28041

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following interaction majorly contribute to protein stability

TLS Online TPP Program

#Question id: 28042

#Unit 1. Molecules and their Interaction Relevant to Biology

Thermodynamic measurements indicate that native proteins are only marginally stable under physiological conditions, The free energy required to denature them is ∼0.4 kJ∙mol−1 per amino acid residue so which of the following is true for so a fully folded 100-residue protein