You Expect That a Mutation in E

question 30

Multiple Choice

You expect that a mutation in E. coli that was recently isolated results in loss of enzyme R activity. In looking for the gene you find comparable sequences. Using an in vitro transcription translation system, you use the gene obtained from the mutant as well as a wild type E. coli as a control. Following protein isolation and gel electrophoresis, you observe that the wild type E. coli produces a protein that is 35K in size, corresponding to enzyme R. However, the mutant strain produces a protein that is 25K in size. What does this information suggest?

• A)A missense mutation has occurred, resulting in a truncated, nonfunctional product in the mutant.
• B)A nonsense mutation has occurred, resulting in a truncated, nonfunctional product in the mutant.
• C)A large addition has occurred in the wild type strain, such that approximately 35 tandem repeats of this gene are present and are biologically active.
• D)all of the above
• E)Not enough information is given.

Distinguish between different perceptions and approaches within the same occupation.

Identify the virtues exemplified by organizations and their importance.

Apply the framework of positive psychology to enhance personal well-being.

Understand the practices and outcomes of sharing positive experiences.

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Definitions:

Multilateral Approach

A strategy involving multiple countries working together on a given issue or project, often used in international relations, trade agreements, and environmental policies.

Free Trade

A financial strategy that permits the trade of goods and services across borders without significant restrictions, tariffs, or bans.

Free Trade

The unrestricted purchase and sale of goods and services between countries without the imposition of constraints such as tariffs, duties, and quotas.

Living Standards

The magnitude of economic riches, comfort levels, material acquisitions, and basic livable needs assigned to a particular social strata or region.