The student wants to emphasize the significance of Ochoa's discovery. Which choice most effectively uses relevant information from the notes to accomplish this goal? Notes: - Severo Ochoa discovered the enzyme PNPase in 1955. - PNPase is involved in both the creation and degradation of mRNA. - Ochoa incorrectly hypothesized that PNPase provides the genetic blueprints for mRNA. - The discovery of PNPase proved critical to deciphering the human genetic code. - Deciphering the genetic code has led to a better understanding of how genetic variations affect human health.

Question

Accepted Answer

Ochoa's 1955 discovery of PNPase proved critical to deciphering the human genetic code, leading to a better understanding of how genetic variations affect human health.

Answer

Though his discovery of PNPase was critical to deciphering the human genetic code, Ochoa incorrectly hypothesized that the enzyme was the source of mRNA's genetic blueprints.

Answer

In 1955, Ochoa discovered the PNPase enzyme, which is involved in both the creation and degradation of mRNA.

Answer

Ochoa first discovered PNPase, an enzyme that he hypothesized contained the genetic blueprints for mRNA, in 1955.

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