Definition
The RNA primer is a short sequence of RNA nucleotides synthesized by RNA primase. It provides a 3' end onto which DNA polymerases can add nucleotides to synthesize a new strand of DNA.
This definition is part of Fiveable's AP Biology review, which also has guided practice questions.
Keep studying AP Biology
Connect this key term to the AP exam workflow: review the course, practice questions, and check related study tools.
AP Biology hub
Review units, study guides, and course resources.
AP-style practice
Check this vocabulary in multiple-choice context.
FRQ practice
Apply key concepts in written AP responses.
Score calculator
Estimate the exam score you are working toward.
Cheatsheets
Review the highest-yield facts before practice.
Practice exam
Put the full course together before test day.