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5.1.a

Across
Building blocks of protein
Scientist who was awarded the Nobel prize for his work in the formation of organic molecules
Moon of Saturn which may have simple life
Chemicals formed by life or found in life
A sedimentary mineral used as a catalyst
Remains of past life
A gas not used in the Urey Miller experiment
Natural energy required to build complex chemicals
A gas used in the Urey Miller experiment
Down
Vent on the ocean floor
The simplest form of life
Used in Miller's experiment to simulate lightening
A form of light/energy
A structure built by the Earth around a vent
A theory that life evolved elsewhere and was seeded here on Earth
Amino acids can build these complex organic molecules.
Without oxygen
Perhaps a site for the development of organic molecules
A gas used in the Urey Miller experiment