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TLS Online TPP Program

#Question id: 688

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

#XL - Q Biochemistry

  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: 2109

#XL - S Microbiology

A phospholipid bilayer with equal amounts of saturated and unsaturated fatty acids displays a specific permeability to glucose. What effect will increasing the proportion of unsaturated fatty acids in the bilayer have on the membrane's permeability to glucose?
TLS Online TPP Program

#Question id: 10171

#XL - R Botany

Quantum flux, or photon flux density (PFD), is the number of incident quanta (singular quantum) striking the leaf, expressed in
TLS Online TPP Program

#Question id: 11092

#XL - T Zoology

Which statement is the most accurate definition of external respiration?
TLS Online TPP Program

#Question id: 6955

#XL - T Zoology

In frogs, maternally packaged Xwnt-11 leads to nuclear localization of _____ in the _____, which in response signals to adjacent cells to become the _____.
TLS Online TPP Program

#Question id: 58

#XL - Q Biochemistry

A covalent chemical bond is one in which ________.