TLS Online TPP Program

#Question id: 3878


Which of the following statements about the synthesis of rRNA and tRNA in E. coli is true?

#Unit 3. Fundamental Processes
  1. Both rRNA and some tRNAs are part of the same primary transcript.

  2. Each rRNA sequence (16S, 23S, 5S) is transcribed into a separate primary transcript.

  3. Primary tRNA transcripts undergo methylation, but rRNA sequences are not methylated.

  4. The tRNA sequences all lie at the 3’end of the rRNA transcripts

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TLS Online TPP Program

#Question id: 847

#Unit 1. Molecules and their Interaction Relevant to Biology

A proposed pathway for the action of E.coli chaperonins  are groEL and groES.groEL exist in trans and cis structure transferring with its bound ATP now become the cis ring once the groES  bound to it ATP hydrolysis takes place and improperly folded protein get properly folded, total number of  ATP molecules are required to per folding cycle;

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.