A Biochemist Isolates, Purifies, and Combines in a Test Tube

question 2

Multiple Choice

A biochemist isolates, purifies, and combines in a test tube a variety of molecules needed for DNA replication. When she adds some DNA to the mixture, replication occurs, but each DNA molecule consists of a normal strand paired with numerous segments of DNA a few hundred nucleotides long. What has she probably left out of the mixture?

• A) DNA polymerase
• B) DNA ligase
• C) nucleotides
• D) Okazaki fragments
• E) primase

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Definitions:

African Americans

An ethnic group in the United States with ancestry traced back to the African continent, especially those whose ancestors were brought to America through the transatlantic slave trade.

Age of Majority

The legally recognized age at which an individual is considered an adult and is responsible for his or her actions, with the ability to enter into legal contracts and enjoy full legal rights and obligations.

Juvenile Court

A court of law responsible for the trial or legal supervision of children under a certain age, typically those who are accused of violating a law.

Equal Protection Clause

A provision in the Fourteenth Amendment of the U.S. Constitution forbidding states from denying any person within its jurisdiction equal protection under the law.