For a Firefly to Glow, the Enzyme Luciferase Must Assist

question 69

Multiple Choice

For a firefly to glow, the enzyme luciferase must assist a chemical reaction in the cells of the firefly. A scientist uses a chemical to induce a mutation in the luciferase gene in a strain of fireflies. Which of the following is true?

• A)Even if the mutation changes the structure of the luciferase protein, it will still be able to perform the chemical reactions needed to make the firefly glow.
• B)The ability of the firefly to glow may or may not be affected by the mutation.
• C)The mutation will affect the structure of the mRNA made from the gene, but not the structure of the protein made from the gene.
• D)Any mutation in a gene causes that gene to stop making functional proteins.

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