In the Graph Shown Here, the Dashed Line Shows the Level

question 193

Multiple Choice

In the graph shown here, the dashed line shows the level of mRNA for a certain protein, Prot1, at various positions along the anterior-posterior axis of an insect embryo. The solid lines portray the levels of two regulatory proteins, A and B, that control translation of the Prot1 mRNA. If both A and B repress translation of the Prot1 mRNA, then which graph BEST approximates the expected level of Prot1 across the embryo?

• A)graph M
• B)graph H
• C)graph K
• D)graph L
• E)graph Q

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