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When the First Autotrophic Photosynthetic Prokaryotes Evolved, They Metabolised CO2

Question 34

Multiple Choice

When the first autotrophic photosynthetic prokaryotes evolved, they metabolised CO2 and H2O by utilising energy from the sun. Based on your knowledge of photosynthesis and evolution, what would the end products of these early reactions have been?


A) Pyruvate
B) Sucrose, fructose and NAD+
C) O2 and carbohydrates
D) ATP and H+
E) Fatty acids

Correct Answer:

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