#Question id: 4978
#SCPH28 | Zoology
The dicynodonts survived the mass extinction that was most closely correlated in time, if not in cause, with
#Question id: 5032
#SCPH06 I Botany
There is still some controversy among biologists about whether Neanderthals should be placed within the same species as modern humans, or into a separate species of their own. Most DNA sequence data analyzed so far indicate that there was probably little or no gene flow between Neanderthals and Homo sapiens. Which species concept is most applicable in this example?
#Question id: 424
#I Life Science/ Life Sciences Group – I-V
Phosphorylation at the expense of ATP is catalyzed by ________.
#Question id: 361
#SCPH01 Biochemistry
Calculate the percentage of histidine that has its imidazole side chain protonated at pH 7.3. The pKa values for histidine are pK1 = 1.8, pK2 (imidazole) = 6.0, and pK3 = 9.2.
#Question id: 4183
#SCPH28 | Zoology
Amino acids are attached to tRNA at the __.