Protein Synthesis on the Primordial Earth May Have Been Catalyzed

question 41

Multiple Choice

Protein synthesis on the primordial Earth may have been catalyzed by ____ before the evolution of enzymes.

• A)DNA
• B)carbohydrates
• C)amino acids
• D)RNA
• E)lightning

---

Definitions:

Major Resonance Structures

The resonance structures that contribute more significantly to the hybrid of a molecule due to their lower energy and higher stability.

Sigma Complex

An intermediate stage in certain chemical reactions characterized by a complex in which the central metal atom is bonded to ligands through sigma bonds.

HNO3

Nitric acid, a highly corrosive and toxic strong mineral acid used in the production of fertilizers, explosives, and in the pickling of metals.

P-nitroanisole

An organic compound consisting of an anisole group where a nitro group is attached to the para position of the anisole ring.