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TLS Online TPP Program

#Question id: 6962

In which way is the organizer region of the sea urchin similar to that in frogs?

#XL - T Zoology
  1. The organizer induces the dorso-ventral axis.
  2. The organizer forms near the dorsal lip of the blastopore.
  3. The organizer accumulates -catenin, which in turn activates the expression of cell-cell signaling molecules.
  4. The organizer will become the mesoderm.
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TLS Online TPP Program

#Question id: 792

#XL - T Zoology

Which arm of the tRNA can act as a structural recognition feature?
TLS Online TPP Program

#Question id: 793

#XL - T Zoology

What is the average size (in bp) of a mature t-RNA?
TLS Online TPP Program

#Question id: 810

#XL - Q Biochemistry

Which of the following statements concerning the process of spontaneous folding of proteins is false?
TLS Online TPP Program

#Question id: 811

#XL - Q Biochemistry

Protein S will fold into its native conformation only when protein Q is also present in the solution.  However, protein Q can fold into its native conformation without protein S.  Protein Q, therefore, may function as a ____________ for protein S.
TLS Online TPP Program

#Question id: 812

#XL - Q Biochemistry

Which of the following is not known to be involved in the process of assisted folding of proteins?
TLS Online TPP Program

#Question id: 813

#XL - Q Biochemistry

Which of the following does NOT impose limits on protein folding?