QUESTION 6 If you activate all the profilin in a cell, what will happen to treadmilling actin filaments? O Actin monomer addition to the plus end will accelerate, causing the filament to grow faster at the plus end than it depolymerizes at the minus end, leading to overall growth of the filament rather than treadmilling. O Actin monomer addition to the plus end will decrease, causing the filament to shrink overall and cease treadmilling. O Actin monomers will be added at an increased rate to both the plus and minus ends of the filament, growing the filament in both directions simultaneous O Actin monomers will no longer possess the correct form of their nucleotide, preventing them from being added to the filament and causing catastrophic depolymerization of existing filaments.
QUESTION 6 If you activate all the profilin in a cell, what will happen to treadmilling actin filaments? O Actin monomer addition to the plus end will accelerate, causing the filament to grow faster at the plus end than it depolymerizes at the minus end, leading to overall growth of the filament rather than treadmilling. O Actin monomer addition to the plus end will decrease, causing the filament to shrink overall and cease treadmilling. O Actin monomers will be added at an increased rate to both the plus and minus ends of the filament, growing the filament in both directions simultaneous O Actin monomers will no longer possess the correct form of their nucleotide, preventing them from being added to the filament and causing catastrophic depolymerization of existing filaments.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:QUESTION 6
If you activate all the profilin in a cell, what will happen to treadmilling actin filaments?
Actin monomer addition to the plus end will accelerate, causing the filament to grow faster at the plus end than it depolymerizes at the minus end,
leading to overall growth of the filament rather than treadmilling.
Actin monomer addition to the plus end will decrease, causing the filament to shrink overall and cease treadmilling.
Actin monomers will be added at an increased rate to both the plus and minus ends of the filament, growing the filament in both directions simultaneous
Actin monomers will no longer possess the correct form of their nucleotide, preventing them from being added to the filament and causing catastrophic
depolymerization of existing filaments.
Transcribed Image Text:QUESTION 36
Which of the following does NOT occur during clathrin-mediated endocytosis?
Membrane ruffling.
Cargo receptors recruit adaptor proteins.
The plasma membrane forms a vesicle.
O Vesicles fuse with early endosomes.
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