A protein component of RNA polymerase that determines the specific site on DNA where transcription begins.
GEE WHILLIKERS! WAIT TILL YOU SEE THIS WORD OF THE DAY QUIZ!
Do you remember all the words from last week, September 21–27, 2020? Then this quiz should be butyraceous.
Question 1 of 7
What does “yare” mean?
Words nearby sigma factor
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.