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AP Biology
Unit 6 – Gene Expression and Regulation
Topic 6.1
Adenine and guanine have how many rings in their base structure?
Zero
Two
One
Three
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AP Biology - 6.1 DNA and RNA Structure
Key terms
Adenine
Guanine
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About Us
About Fiveable
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Careers
Testimonials
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Terms of Use
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CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
Glossary
Crisis Text Line
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Report an Issue
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.
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