Multiple Choice
Chemical reactions involving ________ have been proposed as energy-yielding reactions for primitive organisms.
A) Fe, O₂, and H₂
B) S, O₂, and H₂
C) S, and O₂
D) S, and H₂
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q2: Can gene frequencies change in the absence
Q4: Which is NOT a characteristic of a
Q15: Systematic analysis now commonly includes _ to
Q46: The earliest nucleic acid was probably a
Q50: Explain the strengths and limitations of using
Q52: How does the Black Queen Hypothesis explain
Q60: The domains of life arose as barriers
Q62: Construct a chart to demonstrate the molecular
Q70: It is believed that phototrophy arose approximately
Q77: At present there are four phyla in