TLS Online TPP Program

#Question id: 1965


In some insects, such as Drosophila, fungal cell wall elements can activate the protein Toll. What is Tollʹs function?

#Unit 4. Cell Communication and Cell Signaling
  1. acts as a receptor that, when activated, signals synthesis of antimicrobial peptides

  2. functions directly to attack the fungi presented to it

  3. produces antimicrobial peptides by interaction with chitin

  4. secretes special recognition signal molecules that identifies specific pathogens

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TLS Online TPP Program

#Question id: 848

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the brain diseases is not caused by the misfolding of brain proteins in mammals

TLS Online TPP Program

#Question id: 849

#Unit 1. Molecules and their Interaction Relevant to Biology

The rigidity of the peptide unit and the restricted set of allowed phi and psi angles limits the number of structures accessible to the unfolded form sufficiently to allow:-

TLS Online TPP Program

#Question id: 850

#Unit 1. Molecules and their Interaction Relevant to Biology

The experimental inverse of protein structure prediction, has provided insights into protein folding and stability. Protein design attempts to construct an amino acid sequence that will form a structure such as a sandwich of β sheets or a bundle of α helices;

TLS Online TPP Program

#Question id: 851

#Unit 1. Molecules and their Interaction Relevant to Biology

Methods is the Rosetta program, formulated by David Baker. To satisfy the program’s computational needs, a volunteer network of ∼100,000 computers, known as Rosetta@home, provides the 500,000 or so hours of processing time required to generate a structure;

TLS Online TPP Program

#Question id: 852

#Unit 1. Molecules and their Interaction Relevant to Biology

.________ enzyme revealed the relation between the amino acid sequence of a protein and its conformation.

TLS Online TPP Program

#Question id: 853

#Unit 1. Molecules and their Interaction Relevant to Biology

In the presence of a large excess of _______ the disulfides (cystines) are fully converted into sulfhydryls (cysteines).