AP BIOLOGY

EVOLUTION

THE ORIGIN OF LIFE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What purpose did the sparks in Miller and Urey’s experiment serve?
A
Heat
B
Lightening/Electricity
C
Volcanic Activity
D
Water Vapor
Explanation: 

Detailed explanation-1: -A continuous electrical spark was discharged between a pair of electrodes in the larger flask. The spark passed through the mixture of gases and water vapor, simulating lightning in the hypothesized primordial atmosphere of the earth.

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