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

question 30

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 experiments 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)You analyze amino acid production by the cell and find that there is an increase at this stage of embryonic life.

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Antitrust Laws

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Economic Objective

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Sherman Act

A foundational antitrust law in the United States aimed at prohibiting monopolies and fostering competition.