TLS Online TPP Program

#Question id: 4129


Which of the following statements about the tRNA that normally accepts phenylalanine is false?  (mRNA codons for phenylalanine are UUU and UUC.)

#Unit 3. Fundamental Processes
  1. It interacts specificially with the Phe synthetase.

  2. It will accept only the amino acid phenylalanine.

  3. Its molecular weight is about 25,000.

  4. The tRNA must contain the sequence UUU.

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TLS Online TPP Program

#Question id: 843

#Unit 1. Molecules and their Interaction Relevant to Biology

_______ enzymes that catalyze isomerization reactions in folding pathways of some proteins.

TLS Online TPP Program

#Question id: 844

#Unit 1. Molecules and their Interaction Relevant to Biology

It is a given set of conditions that are required  for the maintenance of the active set of cellular proteins

TLS Online TPP Program

#Question id: 845

#Unit 1. Molecules and their Interaction Relevant to Biology

The most common cystic fibrosis– causing mutation is the deletion of a Phe residue at position____ in CFTR, which causes improper protein folding

TLS Online TPP Program

#Question id: 846

#Unit 1. Molecules and their Interaction Relevant to Biology

The maintenance of the steady-state collection of active cellular proteins required under a particular set of conditions, called ______.

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