Chapter 12 Flashcards
1
Q
Which Gal molecules encode enzymes
A
1, 2, 7, 10
2
Q
Which Gal molecules help regulate the Gal System
A
3,4,80
3
Q
What does Gal 4 do
A
Gal4 is a transcriptional regulatory protein which binds to upstream activation sites of Gal 1,2,7,10; it has an activation and binding domain
4
Q
What does Gal 80 do
A
Gal 80 normally inhibits Gal4 by directly binding to Gal4
5
Q
What does Gal 3 do
A
Gal 3 helps separate Gal 4 and Gal 80 in the presence of galactose by binding to galactose
6
Q
Mig 1
A
Mig1 is necessary in the presence of glucose as it helps repress production of Gal 1
