#Question id: 4952
#XL - S Microbiology
Several scientific laboratories across the globe are involved in research concerning the origin of life on Earth. Which of these questions is currently the most problematic and would have the greatest impact on our understanding if we were able to answer it?
#Question id: 3050
#XL - S Microbiology
Agar is well suited as a solidifying agent because
A. it has been melted in boiling water
B. it can be cooled to about 40 to 42°C before hardening
C. it will not melt again until the temperature rises to about 80 to 90°C.
D. most microorganisms cannot degrade it.
#Question id: 4912
#XL - R Botany
Correns described that the inheritance of variegated color on the leaves of certain plants was determined by the maternal parent only. What phenomenon does this describe?
#Question id: 762
#XL - Q Biochemistry
Regarding the sugar residues in nucleic acids, which, if any, of the following statements is incorrect?
#Question id: 3901
#XL - Q Biochemistry
Francois Jacob and Jacques Monod are responsible for