TLS Online TPP Program

#Question id: 34556


Choose the correct statements about structural differences between pili and fimbriae:

#XL - S Microbiology
  1. Pili are generally longer than fimbriae

  2. Fimbriae are fewer in number than pili per cell
  3. Pili are involved in genetic material transfer
  4. Fimbriae are mostly associated with adherence to surfaces
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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?