The Ames Test Is Used for Determining Whether a Particular

question 39

Multiple Choice

The Ames test is used for determining whether a particular chemical acts as a mutagen.It does this by selecting for:

• A)new His^- mutations in Escherichia coli.
• B)revertants of His^- mutations in Escherichia coli.
• C)new His^- mutations in Salmonella typhimurium.
• D)revertants of His^- mutations in Salmonella typhimurium.
• E)both revertants and new His^- mutations in Escherichia coli.

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Definitions:

Expanding

Restating, in a linguistically sophisticated form, what a child has said.

Metaphor

An implied comparison between two unlike things.

Implied Comparison

A comparison made between two entities without explicitly mentioning one of them, often through metaphor or simile.

Unlike Things

Objects or concepts that differ significantly from each other in characteristics or nature.