The Model Describes the Amount of Krypton-91 Remaining After

question 88

Multiple Choice

The model describes the amount of Krypton-91 remaining after x minutes. Which one of the following written statements best describes the behavior of Krypton-91?

• A) The amount of Krypton-91 decays by half every 4 seconds.
• B) The amount of Krypton-91 decays by half every minutes.
• C) The amount of Krypton-91 decays by half every 4 minutes.
• D) The amount of Krypton-91 decays by half every seconds.
• E) The amount of Krypton-91 decays by half every 1 minute.

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Definitions:

Alfred Hershey

An American bacteriologist and geneticist, awarded the Nobel Prize in Physiology or Medicine in 1969 for his work on the genetics of viruses, including the famous Hershey-Chase experiment.

Martha Chase

An American geneticist who, along with Alfred Hershey, performed experiments confirming that DNA is the genetic material of life.

Experiments

Carefully designed procedures to test hypotheses, establish cause and effect, or discover new phenomena under controlled conditions.

Phosphodiester Bonds

chemical bonds that link nucleotides together in DNA and RNA, forming the backbone of these molecules.