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TLS Online TPP Program

#Question id: 665

Which statement is not true about the peptide bond?

#SCPH28 | Zoology

  1. The peptide bond has partial double-bond character.

  2. The peptide bond is longer than the typical carbon-nitrogen bond.

  3. Rotation is restricted about the peptide bond.

  4. The carbonyl oxygen and the amide hydrogen are most often in a trans configuration with respect to one another.

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TLS Online TPP Program

#Question id: 14117

#SCPH01 Biochemistry

Identify the character based method used for the construction of a phylogenetic tree. 
P. Maximum parsimony 
Q. Neighbor joining 
R. Maximum likelihood 
S. Bootstrapping
TLS Online TPP Program

#Question id: 1393

#SCPH28 | Zoology

In research on aging (both cellular aging and organismal aging), it has been found that aged cells do not progress through the cell cycle as they had previously. Which of the following, if found in cells or organisms as they age, would provide evidence that this is related to cell signalling?
TLS Online TPP Program

#Question id: 3000

#SCPH28 | Zoology

Mycoplasmas are bacteria that lack cell walls. On the basis of this structural feature, whichstatement concerning mycoplasmas should be true?
TLS Online TPP Program

#Question id: 4168

#SCPH06 I Botany

The deaminoacylated tRNA leaves the ribosome as the growing polypeptide passes through the tunnel of the large ribosomal subunit from the __.
TLS Online TPP Program

#Question id: 20982

#SCPH06 I Botany

Which is considered as the most recalcitrant of the BTEX compounds, and of greatest regulatory concern because of its associated health impacts?