Name the component that binds to the operator region of an operon and prevents RNA polymerase from transcribing the operon.

Molecular Basis of Inheritance in past papers

200 questions from this chapter have appeared across 27 exam years.

• 2026 6 questions
• 2025 7 questions
• 2024 11 questions
• 2023 16 questions
• 2022 14 questions
• 2021 9 questions
• 2020 8 questions
• 2019 10 questions
• 2018 5 questions
• 2017 6 questions
• 2016 8 questions
• 2015 5 questions
• 2014 5 questions
• 2013 2 questions
• 2012 7 questions
• 2011 4 questions
• 2010 8 questions
• 2009 4 questions
• 2008 4 questions
• 2007 7 questions
• 2006 5 questions
• 2005 5 questions
• 2004 9 questions
• 2003 7 questions
• 2002 10 questions
• 2001 8 questions
• 2000 10 questions