Which Statement Below Is Correct

question 91

Multiple Choice

Which statement below is correct?

• A)In order for fusion to be sustained,the critical mass must be exceeded.
• B)Fission reactions with light nuclei,such as helium are easily controlled but do not produce as much energy as with heavy nuclei.
• C)Breeder reactors are able to convert fissile nuclides into fertile ones,thus "breeding" more fuel.
• D)In a pressurized water reactor,cadmium metal usually acts as the moderator.
• E) U requires energetic neutrons in order to undergo fission and subsequently produces Pu.

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Definitions:

Amino Acids

Organic molecules that serve as the building blocks of proteins, consisting of an amino group and a carboxyl group.

Citric Acid Cycle

A key metabolic pathway that breaks down carbohydrates, fats, and proteins into carbon dioxide and water while generating energy-rich molecules like ATP.

NADH

Nicotinamide adenine dinucleotide (reduced form) is a coenzyme found in all living cells, involved in redox reactions, carrying electrons from one reaction to another.

Ketone Bodies

Compounds, including acetone, acetoacetic acid, and beta-hydroxybutyric acid, that are produced as by-products when fatty acids are broken down for energy in the liver and kidney.