Match the statement below with the correct type of protein filament by placing t
ID: 70263 • Letter: M
Question
Match the statement below with the correct type of protein filament by placing the letter in the blank.
A. Actin filaments
B. Microtubules
C. Intermediate filaments
__ Found emanating out from the centrosomes in animal cells
__ Found concentrated underneath the plasma membrane to form the cell cortex
__ Found in cilia and flagella
__ Found in lamellipodia, pseudopodia, and filopodia
__ Found underneath the nuclear membrane
__ Involved in muscle contraction
__ Involved in cytokinesis
__ Involved in separating chromosomes during mitosis
__ Made up of 13 protofilaments arranged in a cylinder
__ Made up of 2 protofilaments wrapped around each other
__ Does not have structural polarity
__ Monomers bind GTP
__ Monomers bind ATP
__ Are found attached to desmosomes
__ Are found attached to focal adhesions
Explanation / Answer
_Microtubule_ Found emanating out from the centrosomes in animal cells
_Actin filaments_ Found concentrated underneath the plasma membrane to form the cell cortex
_Microtubules_ Found in cilia and flagella
_Microtubules_ Found in lamellipodia, pseudopodia, and filopodia
Intermediate filaments ----> Found underneath the nuclear membrane
_Actin filaments _ Involved in muscle contraction
_Microtubules _ Involved in cytokinesis
_Microtubules_ Involved in separating chromosomes during mitosis