The TATA box is a DNA sequence found in the promoter region of genes. It's crucial for the initiation of transcription, as it helps position RNA polymerase II.
Think of the TATA box like a landing pad for a helicopter (the RNA polymerase). Without this specific spot, the helicopter wouldn't know where to land and start its work.
Promoter: A region of DNA that initiates transcription of a particular gene. It's like the 'start' button for gene expression.
Transcription: The process by which information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA). Like transcribing notes from an audio recording.
RNA Polymerase II: An enzyme that catalyzes the transcription of DNA to synthesize precursors of mRNA. This is like the worker who follows instructions to build something.
Study guides for the entire semester
200k practice questions
Glossary of 50k key terms - memorize important vocab
© 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.