Exam 4 questions Flashcards
1
Q
Neutrophils are a type of white blood cell that acts as your immune system’s first line of defense.
What would result if there was a mutation in a gene that made WASP in a neutrophil?
A
The WASP would not activate Arp 2/3 to get actin to rearrange, resulting in the cell not moving and patients being immunocompromised.
1
Q
In embryonic development, cells in an epithelium become constricted on one end and thus become wedge-shaped. What is the effect of this change in cells on the epithelium as a whole?
a) It stretches out b) It contracts
c) It narrows
d) It curves inward
A
d) It curves inward
