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TLS Online TPP Program

#Question id: 664

Which is evidence that structures for proteins determined by X-ray crystallography represent the structures in solution?

#SCPH28 | Zoology

  1. Their similarity to structures determined by NMR.

  2. The protein crystals are soluble in water.

  3. The proteins must align in a regular pattern to form a crystal.

  4. Only one conformation is ever possible for a protein so it is irrelevant whether the protein is in a crystal or in solution.

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TLS Online TPP Program

#Question id: 16320

#SCPH28 | Zoology

Time related stress:
TLS Online TPP Program

#Question id: 348

#SCPH06 I Botany

Sulfur is in the same column of the periodic table as oxygen, but has electronegativity similar to carbon. Compared to water molecules, molecules of H2S will ________.
TLS Online TPP Program

#Question id: 4323

#SCPH06 I Botany

Muscle cells differ from nerve cells mainly because they
TLS Online TPP Program

#Question id: 1708

#I Life Science/ Life Sciences Group – I-V

When antigen reaches a lymph node in a primed animal:
TLS Online TPP Program

#Question id: 4335

#SCPH28 | Zoology

Which of the following mutations would be most likely to have a harmful effect on an organism?