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BIOL 214 Exam 3 2019 Answer key.pdf - BIOL 214 Exam 3 April...

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BIOL 214Exam 3April 8, 2019Name __________________________________________________________Network ID _________________PART I Multiple Choice (2 pts each) CLEARLY MARK YOUR RESPONSES ON THE SCANTRON FORM. THE MULTIPLE CHOICESECTION OF THIS EXAM WILL NOT BE GRADED. USE A #2 PENCIL ONLY FOR THE SCANTRON FORM.1. In prokaryotes, the genes for metabolic pathways are ____.a. always expressed for early steps in the pathway, but generally not expressed for later steps in the pathwayb. always expressed so the bacteria can respond to rapidly to changing conditionsc. turned on and off as conditions changed. always independently regulatede. generally expressed at low levels, but expressed at high levels when conditions warrant
2. The genes in an operon are ____.
3. If an operon is regulated by ____ control, genes are ____ by a regulatory protein called a ____.
4. How is lac operon transcription regulated by the presence or absence of lactose?

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Term
Spring
Professor
Swanson
Tags
Test, d

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