SAT Practice16d68a8e-72f4-4437-896b-53aed15d3c95
Practice one SAT question at a time

Questions come from the Bluebook question bank.

While researching a topic, a student has taken the following 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.

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?