You Are Given an Experimental Problem Involving Control of a Gene's

question 69

Multiple Choice

You are given an experimental problem involving control of a gene's expression in the embryo of a particular species. One of your first questions is whether the gene's expression is controlled at the level of transcription or translation. Which of the following might best give you an answer?

• A) You explore whether there has been alternative splicing by examining amino acid sequences of very similar proteins.
• B) You measure the quantity of the appropriate pre-mRNA in various cell types and find they are all the same.
• C) You assess the position and sequence of the promoter and enhancer for this gene.
• D) An analysis of amino acid production by the cell shows you that there is an increase at this stage of embryonic life.
• E) You use an antibiotic known to prevent translation.

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Definitions:

Feedback Channels

The means by which information regarding performance and expectations is communicated between different levels within an organization.

Vertical Loading

A job enrichment strategy that involves adding tasks that require higher levels of responsibility or decision-making to an employee's role.

Core Job Characteristics

Fundamental aspects of a job that affect employee motivation and job satisfaction, including task variety, autonomy, and feedback.

Job Simplification

The process of breaking down a job into its simplest components to improve efficiency and reduce complexity.