Under what condition is the AraC protein an activator?
A) The AraC protein is an activator when it is bound to glucose.
B) The AraC protein is an activator when it is bound to lactose.
C) The AraC protein is an activator when it is bound to arabinose.
D) The AraC protein is an activator when it is bound to cyclic AMP.
E) The AraC protein is an activator when it is bound to any sugar molecule.
Answer: C
You might also like to view...
The enzyme that allows the reforming of a circular plasmid following conjugation is called _________
A. relaxosome B. relaxase C. F' factor D. nucleoprotein E. pili protein
Which one of the following is true of the sporophyte stage of a flowering plant?
A. It is haploid. B. It is 1N. C. It is a nonphotosynthetic stage. D. It is the obvious stage such as an oak tree. E. It is dependent on the gametophyte for nutrition.
In agriculture, male animals are often castrated to modify their behavior and to produce desirable qualities in the meat. What would you predict about hormone levels in castrated male animals?
A. Testosterone is high; follicle stimulating hormone (FSH) and luteinixing hormone (LH) are low. B. Testosterone is low; follicle stimulating hormone (FSH) and luteinixing hormone (LH) are high. C. Testosterone is low; follicle stimulating hormone (FSH) and luteinixing hormone (LH) are low. D. Testosterone is high; follicle stimulating hormone (FSH) and luteinixing hormone (LH) are high.
From which type of algae is algin extracted?
a. from golden algae b. from red algae c. from brown algae d. from blue-green algae