What was a significant outcome of the Miller and Urey experiment?
a. They demonstrated natural selection.
b. They were the first to synthesize living cells.
c. They proved that life did not originate on Earth.
d. They proved that the iron-sulfur world hypothesis was false.
e. They synthesized organic molecules from inorganic materials.
e
You might also like to view...
A bacterial cell undergoes binary fission. One of the daughter cells is normal, but the other has a mutation in the FtsZ protein, rendering the protein nonfunctional. After 4 additional generations, how many total progeny cells do you expect there to be?
A. 5 B. 16 C. 17 D. 32 E. 33
Which of the following catalyzes the unwinding of the DNA double helix during DNA replication?
a. topoisomerase b. primase c. DNA polymerase d. helicase e. DNA ligase
Which bacterial genera contain members that are very similar physiologically to Pseudomonas and cause a similar spectrum of opportunistic infections?
What will be an ideal response?
If the solution surrounding a cell contains less solute than the cytoplasm does, the osmotic condition is said to be:
a. hypotonic. b. isobaric. c. isotonic. d. hypertonic. e. adiabatic.