Choose the One Alternative That Best Completes the Statement or Answers

question 174

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-The half-life of plutonium-234 is 9 hours. If 60 milligrams is present now, how much will be present in 3 days? (Round your answer to three decimal places.)

• A) 47.622
• B) 0.234
• C) 5.952
• D) 34.461

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Definitions:

70S Ribosomes

Ribosomes typical in prokaryotes and mitochondria, involved in the synthesis of proteins, comprised of a 50S and a 30S subunit.

Crenarchaeota

A phylum of Archaea that includes thermophilic, acidophilic, and psychrophilic microbes, often found in extreme environments.

Sulfur Bacteria

A group of bacteria that oxidize sulfur compounds to obtain energy, playing a key role in the sulfur cycle in the environment.

Haemophilus Bacteria

A group of bacteria that can cause various infections in humans, including respiratory infections and meningitis.