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TLS Online TPP Program

#Question id: 9605

A phylogenetic tree that is ʺrootedʺ is one

#XL - S Microbiology
  1. that extends back to the origin of life on Earth.
  2. at whose base is located the common ancestor of all taxa depicted on that tree.
  3. that illustrates the rampant gene swapping that occurred early in lifeʹs history.
  4. that indicates our uncertainty about the evolutionary relationships of the taxa depicted on the tree.
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TLS Online TPP Program

#Question id: 15756

#XL - S Microbiology

Synthetic seeds are produced by the encapsulation of somatic embryos with ___________.
TLS Online TPP Program

#Question id: 27255

#XL - T Zoology

Which histone(s) are associated with the linker DNA of a nucleosome?
TLS Online TPP Program

#Question id: 400

#XL - S Microbiology

Consider two solutions: solution X has a pH of 4; solution Y has a pH of 7. From this information, we can reasonably conclude that ________.
TLS Online TPP Program

#Question id: 29553

#XL - R Botany

Which part of a plant absorbs most of the water and minerals taken up from the soil?
TLS Online TPP Program

#Question id: 2922

#XL - T Zoology

Human genes/proteins that regulate the cell cycle are most easily isolated by: