Which of the following would Earth's early atmosphere have lacked?
A) Methane
B) Oxygen
C) Ammonia
D) Hydrogen sulfide
Correct Answer:
Verified
Q2: When bacterial cells exchange genetic information by
Q3: The simplest and most abundant form of
Q4: Which of the following is found in
Q6: Prokaryotes that live in anaerobic environments,such as
Q7: When bacterial cell walls are thin and
Q9: Spherical bacteria are called
A) cocci.
B) bacilli.
C) spirilla.
D)
Q10: Discovery that viruses act more like a
Q11: _ consist of a core segment of
Q19: Which of the following diseases can be
Q35: All viruses have an envelope around their
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