1_Which of the following statements are true of actin? Select all those which ap

Question

1_Which of the following statements are true of actin? Select all those which apply to actin.

directly involved in muscle contraction

involved in the movement of cilia and flagella

involved in chromosome movement

important for formation of the contractile ring during cytokinesis

fundamental repeating subunit is a dimer

monomer which can bind ATP

includes keratin and neurofilaments

supports and strengthens the nuclear envelope

its stability involves a GTP cap

used in the eucaryotic flagellum

can be connected through desmosomes

abundant in filopodia

2_Which of the following statements are true of intermediate filaments? Select all those which apply to intermediate filaments.

directly involved in muscle contraction

involved in the movement of cilia and flagella

involved in chromosome movement

important for formation of the contractile ring during cytokinesis

fundamental repeating subunit is a dimer

monomer which can bind ATP

includes keratin and neurofilaments

supports and strengthens the nuclear envelope

its stability involves a GTP cap

used in the eucaryotic flagellum

can be connected through desmosomes

abundant in filopodia

3_Which of the following statements are true of microtubules? Select all those which apply to microtubules.

directly involved in muscle contraction

involved in the movement of cilia and flagella

involved in chromosome movement

important for formation of the contractile ring during cytokinesis

monomer which can bind ATP

includes keratin and neurofilaments

supports and strengthens the nuclear envelope

its stability involves a GTP cap

used in the eucaryotic flagellum

can be connected through desmosomes

abundant in filopodia

directly involved in muscle contraction

involved in the movement of cilia and flagella

involved in chromosome movement

important for formation of the contractile ring during cytokinesis

fundamental repeating subunit is a dimer

monomer which can bind ATP

includes keratin and neurofilaments

supports and strengthens the nuclear envelope

its stability involves a GTP cap

used in the eucaryotic flagellum

can be connected through desmosomes

abundant in filopodia

2_Which of the following statements are true of intermediate filaments? Select all those which apply to intermediate filaments.

directly involved in muscle contraction

involved in the movement of cilia and flagella

involved in chromosome movement

important for formation of the contractile ring during cytokinesis

fundamental repeating subunit is a dimer

monomer which can bind ATP

includes keratin and neurofilaments

supports and strengthens the nuclear envelope

its stability involves a GTP cap

used in the eucaryotic flagellum

can be connected through desmosomes

abundant in filopodia

3_Which of the following statements are true of microtubules? Select all those which apply to microtubules.

directly involved in muscle contraction

involved in the movement of cilia and flagella

involved in chromosome movement

important for formation of the contractile ring during cytokinesis

monomer which can bind ATP

includes keratin and neurofilaments

supports and strengthens the nuclear envelope

its stability involves a GTP cap

used in the eucaryotic flagellum

can be connected through desmosomes

abundant in filopodia

Explanation / Answer

1.The following statements are true to Actin

The next three is not true for actin.They are true for microtubules(GTP cap and eukaryotic flagellum) and intermediate filaments.(connected through desmosomes)

The following statements are true to intermediate filaments:

The following statements are true for microtubules:

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