Miller's reaction chamber contained gases intended to simulate the atmosphere of the ancient Earth. Which gas was

NOT included in this chamber?
a. carbon dioxide
b. methane
c. ammonia
d. water vapor
e. hydrogen gas


ANSWER: a

Biology & Microbiology

You might also like to view...

Which of the following would increase the production of highly diluted urine?

a. decreased secretion of aldosterone b. increased salt in the diet c. decreased blood pressure d. increased secretion of antidiuretic hormone e. increased sweat production

Biology & Microbiology

During gene flow, an influx of deleterious alleles can speed adaptation within a population

a. true b. false

Biology & Microbiology

Gene regulation during sporulation in Bacillus subtilis involves both temporal and spatial control.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Iron is required for primary production. Which of the following is correct to predict?

a. Iron fertilization of oceans can raise N2 in the atmosphere. b. Iron fertilization of oceans can lower O2 in the atmosphere. c. Iron fertilization of oceans can raise CO2 in the atmosphere. d. Iron fertilization of oceans can lower CO2 in the atmosphere.

Biology & Microbiology