TLS Online TPP Program

#Question id: 19682


Which of the following statements concerning methylamine is correct?

#XL - P Chemistry
  1. Methylamine is stronger base than NH3
  2. Methylamine is less basic than NH3
  3. Methylamine is slightly acidic
  4. Methylamine forms salts with alkali
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TLS Online TPP Program

#Question id: 4613

#XL - S Microbiology

The questions below refer to the following evolutionary tree, in which the horizontal axis represents time (present time is on the far right) and the vertical axis represents morphological change.  Which species is most closely related to species W?

TLS Online TPP Program

#Question id: 4613

#XL - T Zoology

The questions below refer to the following evolutionary tree, in which the horizontal axis represents time (present time is on the far right) and the vertical axis represents morphological change.  Which species is most closely related to species W?

TLS Online TPP Program

#Question id: 4614

#XL - S Microbiology

Which of these is the extant (that is, living) species most closely related to species X?

TLS Online TPP Program

#Question id: 4614

#XL - T Zoology

Which of these is the extant (that is, living) species most closely related to species X?

TLS Online TPP Program

#Question id: 4615

#XL - S Microbiology

Currently, two of the living elephant species (X and Y) are placed in the genus Loxodonta, and a third surviving species (Z) is placed in the genus Elephas. Assuming this classification reflects evolutionary relatedness, which of the following is the most accurate phylogenetic tree?

TLS Online TPP Program

#Question id: 4615

#XL - T Zoology

Currently, two of the living elephant species (X and Y) are placed in the genus Loxodonta, and a third surviving species (Z) is placed in the genus Elephas. Assuming this classification reflects evolutionary relatedness, which of the following is the most accurate phylogenetic tree?