#Question id: 4179
#SCPH28 | Zoology
What is the 5ʹ → 3ʹ anticodon for an amino acid with the codon CAG?
#Question id: 2930
#I Life Science/ Life Sciences Group – I-V
The S. cerevisiae homolog of Xenopus MPF is:
#Question id: 20025
#SCPH06 I Botany
#Question id: 8294
#SCPH06 I Botany
The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed three-chambered hearts (two atria, one ventricle). Birds and mammals, however, are alike in having four-chambered hearts (two atria, two ventricles). The fourchambered hearts of birds and mammals are best described as ________.
#Question id: 9171
#SCPH28 | Zoology
Suppose that the number of bird species is determined mainly by the number of vertical strata found in the environment. If so, in which of the following biomes would you find the greatest number of bird species?