According to a widely acceptehypothesis, clay may havplayean essential rolin thformation of complex molecules of life.How may clay havparticipatein that process?
A) by attracting and concentrating precursor molecules of complex organic compounds
B) by catalyzing reactions on synthesis
C) by transferring electrons from one component to another
D) by binding covalently to precursor molecules and allowing rearrangement of atoms within those molecules
E) by gathering from the sun energy necessary to power reactions of synthesis of complex molecules
Correct Answer:
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A)sugars.
B)oxygen.
C)lipids.
D)proteins.
E)nucleotides.
Q31: A hypothesis of thorigin of molecules of
Q32: Which of thfollowing scientists demonstratefor thfirst timthat
Q33: Which of thfollowing elements may havbeen precursors
Q35: Which of thfollowing was NOT includein Miller's
Q36: _ ardome-shapestructures composeof layers of early cells
Q37: Which of thfollowing statements may apply to
Q38: Stromatolites appeareabout _ years ago.
A)6,000
B)1,000,000
C)250,000,000,000
D)3,500,000,000
E)50,000,000,000
Q39: Therarseveral evidences that RNA may have
A)carried genetic
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