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.

Understand the significance of fiber-rich diets in promoting a healthy digestive system.

Identify the different stages of sleep and their characteristics.

Recognize the importance of avoiding tobacco and excessive sun exposure for good health.

Understand dietary recommendations to reduce the risk of cancer.

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