In eukaryotes, clusters (tandem arrays) of about 20–50 replicons initiate simultaneously at defined times throughout:

#Question id: 7699

#SCPH28 | Zoology

In the phylogenetic trees, numbers represent species, and the same species are shown in both trees. Which two species are represented as sister species in Tree 2 but are not shown as sister species in Tree 1?

#Question id: 4960

#SCPH28 | Zoology

Letʹs say that a hypothetical submersible robot was used to collect samples of sedimentary rock from the sea floor along the section illustrated. The robot moved back and forth along the transect, collecting first from site A, then site III, then site B, then site II, and lastly site D. Assuming that sedimentation has occurred at a constant rate along the transect over the past million years, rearrange the sites mentioned above on the basis of the thickness of the sediments overlying the igneous rock, from thickest to thinnest.

#Question id: 4169

#SCPH06 I Botany

The first amino acid incorporated into proteins __.

#Question id: 22938

#SCPH06 I Botany

 

#Question id: 242

#SCPH12 I Genetics

Cells fed5-methyl uracil (radioactive in the methyl group) will form radioactive ________.