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Miller and Urey did not use oxygen gas in their apparatus because oxygen
archaebacteria
They differen in the source of energy
one-quarter of the original amount
number of neutrons
was believed not to have been present in Earth's early atmosphere
2 million years old
the appearence of maggots on rotting meat
all
If the half-life of a radioactive isotope is 5,000 years, how much of the radioactive isotope in a specimen will be left after 10,000 years?
archaebacteria
They differen in the source of energy
one-quarter of the original amount
number of neutrons
was believed not to have been present in Earth's early atmosphere
2 million years old
the appearence of maggots on rotting meat
all
The age of Earth is estimated to be
archaebacteria
They differen in the source of energy
one-quarter of the original amount
number of neutrons
was believed not to have been present in Earth's early atmosphere
2 million years old
the appearence of maggots on rotting meat
all
Isotopes are forms of the same element that differ in
archaebacteria
They differen in the source of energy
one-quarter of the original amount
number of neutrons
was believed not to have been present in Earth's early atmosphere
2 million years old
the appearence of maggots on rotting meat
all
RNA
archaebacteria
They differen in the source of energy
one-quarter of the original amount
number of neutrons
was believed not to have been present in Earth's early atmosphere
2 million years old
the appearence of maggots on rotting meat
all
Spontaneous generation has been offered as an explination for
archaebacteria
They differen in the source of energy
one-quarter of the original amount
number of neutrons
was believed not to have been present in Earth's early atmosphere
2 million years old
the appearence of maggots on rotting meat
all
Which of the following is true difference between photosynthetic organisms and chemosynthetic organisms?
archaebacteria
They differen in the source of energy
one-quarter of the original amount
number of neutrons
was believed not to have been present in Earth's early atmosphere
2 million years old
the appearence of maggots on rotting meat
all
Scientist think that the first cells resembled modern
archaebacteria
They differen in the source of energy
one-quarter of the original amount
number of neutrons
was believed not to have been present in Earth's early atmosphere
2 million years old
the appearence of maggots on rotting meat
all
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