A Mutation in Yeast Makes It Unable to Convert Pyruvate

question 61

Multiple Choice

A mutation in yeast makes it unable to convert pyruvate to ethanol. How will this mutation affect these yeast cells?

• A) The mutant yeast will be unable to grow anaerobically.
• B) The mutant yeast will grow anaerobically only when given glucose.
• C) The mutant yeast will be unable to metabolize glucose.
• D) The mutant yeast will die because they cannot regenerate NAD⁺ from NAD.
• E) The mutant yeast will metabolize only fatty acids.

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Definitions:

Discriminatory Judgments

Decisions or opinions based on biases, prejudice, or unjust distinctions towards individuals or groups.

Attribution

A cognitive process by which individuals infer the causes of their own and others’ behavior.

Schema

Schema refers to a cognitive framework or concept that helps organize and interpret information, based on one’s accumulated knowledge and experience.

Attributional Model

A psychological framework that explains how individuals infer causes of behavior, focusing on internal versus external attributions.