Chapter 16 Flashcards
1
Q
what is a controlling gene expression often accomplished by
A
controlling transcription initiation
2
Q
what do Regulatory proteins do?
A
bind to D N A, modulate binding of R N A polymerase to promoter
3
Q
Prokaryotic organisms regulate gene expression in response to their _________.
A
environment
4
Q
Eukaryotic cells regulate gene expression to maintain a constant_______ in the organism.
A
homeostasis
5
Q
Gene expression is often controlled by _____
A
regulatory proteins
6
Q
Regulatory proteins gain access to the _____ of DNA at the _______ groove
A
Major
7
Q
Regulatory proteins possess what?
A
binding DNA motifs
