#Question id: 2438
#Unit 2. Cellular Organization
Rac, a GTPase superfamily protein,
a. is related to Ras.
b. may be activated by growth factors.
c. stimulates lamellipodia formation.
d. stimulates filopodia formation.
e. stimulates stress fiber assembly.
#Question id: 5806
#Unit 8. Inheritance Biology
Which of these is NOT a mechanism by which a chromosome rearrangement could affect gene function?
#Question id: 10987
#Unit 7. System Physiology – Animal
If the ventricular Purkinje fibers become the pacemaker of the heart, what is the expected heart rate?
#Question id: 24211
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 2610
#Unit 2. Cellular Organization
Binding of RNA polymerase over promoter synthesizes