Which of the Following Statements Regarding a Fission Based Nuclear

question 26

Multiple Choice

Which of the following statements regarding a fission based nuclear reactor is not correct?

• A)A nuclear fission reactor uses the heat energy released by the fission of U-235 to produce steam.
• B)The control rods in a nuclear reactor contain materials which absorb neutrons.
• C)The moderator in a fission reactor slows down the neutrons produced from the fission of U-235.
• D) (heavy water),graphite,and H₂O (light water)have been used as moderators in fission reactors.
• E)The uranium dioxide fuel pellets used in a U.S.light-water reactor are made up mostly of the U-235 isotope.

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Definitions:

Sugars

Simple carbohydrates that are a source of energy for the body, found naturally in foods or added as sweeteners.

Proteins

Large, complex molecules made up of amino acids that perform a variety of functions in the body, including catalysis, structure, and transport.

Citric Acid Cycle

A series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetate into carbon dioxide.

Electron Transport Chain

A series of protein complexes that transfer electrons from electron donors to electron acceptors via redox reactions, coupled with the transfer of protons across a membrane to generate ATP.