ASU BIO 353 Exam 2 Questions and
Answers 100% Pass
Actin Filaments - ✔✔have a diameter of 7 nm and contain 375 amino acids.
Actin filaments will - ✔✔two of the above
The number of amino acids in an actin monomer is - ✔✔375
Hydrolysis of ATP to ADP - ✔✔helps identify the assembly vs the disassembly end
Actin filaments associate with a nucleotide triphosphate - ✔✔True
Treadmilling of actin filaments only occurs in a test tube. - ✔✔False
Preassembled nucleation sites in a living cell are equivalent to the intracellular
preference for actin filaments - ✔✔True
Intracellular preference for actin filaments - ✔✔Is a way to look at the geography of the
cell and show where the role of actin filaments is important.
The ability of actin filaments to disassemble into small monomers: - ✔✔Two of the
above
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, What causes a myosin II molecule to be able to form a bipolar fiber? - ✔✔Calcium
binding to calmodulin.
The diameter of the actin filaments is ______ nm. - ✔✔7
Actin filaments will only assemble in parallel bundles. - ✔✔False
The monomer of tubulin: - ✔✔is a heterodimer with a total molecular weight of 110
kDa.
Treadmilling can occur: - ✔✔in a test tube for actin filaments and microtubules.
Molecular motors working with microtubules: - ✔✔are calcium-dependent ATPases
Dynein is a molecular motor that: - ✔✔moves cargo to the centrosome
To move cargo from one side of the cell to the other, the sequence would be in the
following order: - ✔✔dynein, centrosome, kinesin
The electron dense cloud surrounding the centrioles in animal cells contains nucleation
sites for: - ✔✔MTs made of gamma tubulin
The 9+0 configuration refers to ________, and is found only in _______ cells. -
✔✔centrioles
animal
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Answers 100% Pass
Actin Filaments - ✔✔have a diameter of 7 nm and contain 375 amino acids.
Actin filaments will - ✔✔two of the above
The number of amino acids in an actin monomer is - ✔✔375
Hydrolysis of ATP to ADP - ✔✔helps identify the assembly vs the disassembly end
Actin filaments associate with a nucleotide triphosphate - ✔✔True
Treadmilling of actin filaments only occurs in a test tube. - ✔✔False
Preassembled nucleation sites in a living cell are equivalent to the intracellular
preference for actin filaments - ✔✔True
Intracellular preference for actin filaments - ✔✔Is a way to look at the geography of the
cell and show where the role of actin filaments is important.
The ability of actin filaments to disassemble into small monomers: - ✔✔Two of the
above
Katelyn Whitman, All Rights Reserved © 2025 1
, What causes a myosin II molecule to be able to form a bipolar fiber? - ✔✔Calcium
binding to calmodulin.
The diameter of the actin filaments is ______ nm. - ✔✔7
Actin filaments will only assemble in parallel bundles. - ✔✔False
The monomer of tubulin: - ✔✔is a heterodimer with a total molecular weight of 110
kDa.
Treadmilling can occur: - ✔✔in a test tube for actin filaments and microtubules.
Molecular motors working with microtubules: - ✔✔are calcium-dependent ATPases
Dynein is a molecular motor that: - ✔✔moves cargo to the centrosome
To move cargo from one side of the cell to the other, the sequence would be in the
following order: - ✔✔dynein, centrosome, kinesin
The electron dense cloud surrounding the centrioles in animal cells contains nucleation
sites for: - ✔✔MTs made of gamma tubulin
The 9+0 configuration refers to ________, and is found only in _______ cells. -
✔✔centrioles
animal
Katelyn Whitman, All Rights Reserved © 2025 2
