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Which of the following questions will best help guide the researchers toward a direct test of their proposal? a. Have mutations in other genes also been associated with hearing loss? b. In what types of cells are the mutant forms of the POU4F3 gene expressed? c. Are mutations in the MYO6 and POU4F3 genes also found in mice? d.
Biology Practice Exam. From the 2013 Administration. This is a modified version of the 2013 AP Biology Exam. This practice exam is provided by the College Board for AP Exam preparation. Exams may not be posted on school or personal websites, nor electronically redistributed for any reason.
Gibberellin is the primary plant hormone that promotes stem elongation. GA 3-beta-hydroxylase (GA3H) is the enzyme that catalyzes the reaction that converts a precursor of gibberellin to the active form of gibberellin. A mutation in the GA3H gene results in a short plant phenotype.
Gene expression and regulation comes down to how a cell replicates, transcribes, and translates genes. This unit looks at how gene expression can be regulated in healthy cells and mutated cells. It also examines how humans can control gene expression through biotechnological methods.
AP Biology Practice Test: Gene Expression and Regulation. This test contains 11 AP biology practice questions with detailed explanations, to be completed in 17 minutes.
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Regulation of Gene Expression: Operon: A segment of DNA that includes a series of structural genes and the control elements regulating the transcription of those genes.
