Eukaryotic Cell: Cytoskeleton Flashcards by Hugh Alley | Brainscape

Q

What are microfilaments?

A

Solid rods

Made of actin filaments

twisted double chain

tension bearing

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Q

What are microfilaments made of?

A

actin

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Q

What is the function of microfilaments?

A

tension bearing

make the outer cytoskeleton a semi-solid gel

Used in transport

cell motility

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Q

What are microtubules?

A

large hollow tubes

“girders” compression bearing

made of tubulin

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Q

What are microtubules made of?

A

tubulin

forms a hollow tube

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Q

What are the functions of microtubules?

A

maintain cell shape (girders)

chromosome movement

organelle movement

cell motility (flagella)

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Q

What are intermediate filaments?

A

coiled cables

made of keratin

tension bearing

maintain cell shape

nuclear lamina

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Q

What is the function of intermediate filaments?

A

maintain cell shape (tension bearing)

anchor nucleus

nuclear lamina

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Q

What are intermediate filaments made of?

A

keratin

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Q

What are centriosomes?

A

a REGION in the cell

microtubule organizing centers

pair of centrioles inside

microtubules radiate out like spokes

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Q

What are centrioles?

A

pair of objects in the centrosome

ring of microtubules

help organize microtubles in MITOTIC SPINDLE

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