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TLS Online TPP Program

#Question id: 688

Pauling and Corey’s studies of the peptide bond showed that:

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. at pH 7, many different peptide bond conformations are equally probable.

  2. peptide bonds are essentially planar, with no rotation about the C—N axis.

  3. peptide bonds in proteins are unusual, and unlike those in small model compounds.

  4. peptide bond structure is extraordinarily complex.

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TLS Online TPP Program

#Question id: 1819

#Unit 4. Cell Communication and Cell Signaling

The largest number of deaths from infectious diseases are caused by:
TLS Online TPP Program

#Question id: 1820

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of histamine?
TLS Online TPP Program

#Question id: 1821

#Unit 4. Cell Communication and Cell Signaling

P-selectin pairs with:
TLS Online TPP Program

#Question id: 1822

#Unit 4. Cell Communication and Cell Signaling

Binding of platelet activating factor (PAF) to its receptor on the neutrophil:
TLS Online TPP Program

#Question id: 1823

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of activated Hageman factor?
TLS Online TPP Program

#Question id: 1824

#Unit 4. Cell Communication and Cell Signaling

Neutrophil chemotaxis is mediated by: