How Is Membrane Protrusion by Blebbing Different from That by Lamellipodia

question 25

Multiple Choice

How is membrane protrusion by blebbing different from that by lamellipodia?

• A) Blebbing usually occurs on a rigid substratum such as glass, whereas lamellipodia form on pliable substrata.
• B) Blebbing is mostly observed in vitro, whereas lamellipodia are observed both in vitro and in vivo.
• C) Blebbing does not involve myosin II activity, but formation of lamellipodia does.
• D) Blebbing requires loss of membrane interaction with actin filaments, whereas lamellipodia require a close interaction between the two.
• E) All of the above.

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