Miller and Urey's experiment was ground breaking because
A. This was the first example of an experiment being used that inserted oxygen into the prebiotic soup.
B. This was the first attempt to apply scientific experimentation to the quest of understanding the origin of life.
C. They hypothesized what could have been the first molecules formed, but they could not demonstrate this in a scientific experiment.
D. This was the last experiment that used boiling water as a trigger mechanism for the production of macromolecules.
E. This was the first experiment based on the theory that organic carbon actually arrived from outer space.
B. This was the first attempt to apply scientific experimentation to the quest of understanding the origin of life.
You might also like to view...
Which of the following lowers the efficiency of plants' conversion of sunlight into chemical energy?
A. UV light B. UV light and O2 C. UV light, O2, and heat dissipation D. O2 and heat dissipation E. UV light and heat dissipation
Archaea differ from bacteria in that they
A. have a nucleus. B. have membrane-bound organelles. C. have peptidoglycan in their cell walls. D. are often photosynthetic. E. None of these are correct.
Imprinting disorders illustrate
A) epistasis. B) epigenetics. C) epidermics. D) apogenetics.
The fluid mosaic model proposed by Singer and Nicolson in 1972 explained that
A. the cell membrane was composed of lipids and proteins. B. the cell membrane was composed of a phospholipid bilayer between two layers of globular proteins. C. the cell membrane was composed of a phospholipid bilayer with globular proteins actually inserted into the bilayer. D. the cell membrane was composed of a phospholipid bilayer but the polar ends of the phospholipid molecules were reversed.