BIO 353 exam 2 – ASU Questions and
Answers 100% Pass
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
At steady state equilibrium, microtubules in a test tube have a ....... and .....end. -
✔✔assembly, disassembly
Katelyn Whitman, All Rights Reserved © 2025 1
, In a living cell, which end of the microtubule is effectively capped? - ✔✔disassembly
end
The intracellular preference for microtubules is - ✔✔the centrosome
Gamma-tubulin is present in - ✔✔the centrosome
The outer diameter of a microtubule is ....... nm. - ✔✔25
The dynactin complex acts only on actin filaments. - ✔✔false
The barrier function of an epithelium extends the role of the plasma membrane over a
larger surface area - ✔✔true
Desmosome junctions are calcium-dependent but cadherin junctions are not. - ✔✔false
A hemidesmosome connects one cell to another - ✔✔true
Gap junctions in plant cells cannot close - ✔✔true
Nuclear lamins differs in all the different cell types of an organism - ✔✔false
Desmin is present in muscle cells - ✔✔true
In neurons, actin filaments are really intermediate filaments - ✔✔false
Intermediate filaments assemble and disassemble in a living cell - ✔✔false
Intermediate filaments have no more strength than a microtubule dimer - ✔✔false
Katelyn Whitman, All Rights Reserved © 2025 2
Answers 100% Pass
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
At steady state equilibrium, microtubules in a test tube have a ....... and .....end. -
✔✔assembly, disassembly
Katelyn Whitman, All Rights Reserved © 2025 1
, In a living cell, which end of the microtubule is effectively capped? - ✔✔disassembly
end
The intracellular preference for microtubules is - ✔✔the centrosome
Gamma-tubulin is present in - ✔✔the centrosome
The outer diameter of a microtubule is ....... nm. - ✔✔25
The dynactin complex acts only on actin filaments. - ✔✔false
The barrier function of an epithelium extends the role of the plasma membrane over a
larger surface area - ✔✔true
Desmosome junctions are calcium-dependent but cadherin junctions are not. - ✔✔false
A hemidesmosome connects one cell to another - ✔✔true
Gap junctions in plant cells cannot close - ✔✔true
Nuclear lamins differs in all the different cell types of an organism - ✔✔false
Desmin is present in muscle cells - ✔✔true
In neurons, actin filaments are really intermediate filaments - ✔✔false
Intermediate filaments assemble and disassemble in a living cell - ✔✔false
Intermediate filaments have no more strength than a microtubule dimer - ✔✔false
Katelyn Whitman, All Rights Reserved © 2025 2
