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TLS Online TPP Program

#Question id: 2148

The specificity of the potassium channel for K+ over Na+ is mainly the result of the:

#XL - S Microbiology

  1. differential interaction with the selectivity filter protein.

  2. hydrophobicity of the channel.

  3. phospholipid composition of the channel.

  4. presence of carbohydrates in the channel.

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TLS Online TPP Program

#Question id: 664

#XL - Q Biochemistry

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

#Question id: 665

#XL - Q Biochemistry

Which statement is not true about the peptide bond?
TLS Online TPP Program

#Question id: 666

#XL - Q Biochemistry

Nearly all peptide bonds are in the trans configuration because
TLS Online TPP Program

#Question id: 668

#XL - Q Biochemistry

What feature does a Ramachandran plot display?
TLS Online TPP Program

#Question id: 669

#XL - Q Biochemistry

Ramachandran determined the ʺallowedʺ values of the phi and psi angles primarily by considering ________.
TLS Online TPP Program

#Question id: 670

#XL - Q Biochemistry

The distance along a helix axis for one complete turn is called the ________.