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Cytoplasm and Cytoskeletons

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Cytoplasm and Cytoskeletons
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Vocabulary

actin

actin

Protein component of microfilaments.
cytoplasm

cytoplasm

All of the material inside the plasma membrane of a cell (excluding the nucleus).
cytoskeleton

cytoskeleton

Structure of filaments and tubules in the cytoplasm that provides a cell with an internal framework.
cytosol

cytosol

Portion of the cytoplasm not within membrane-bound organelles.
intermediate filaments

intermediate filaments

Intermediate component of the cytoskeleton; made of protein fiber coils twisted into each other.
microfilaments

microfilaments

Smallest component of the cytoskeleton; made of two actin chains twisted around one another.
microtubules

microtubules

Largest component of the cytoskeleton; hollow protein cylinders made of alpha and beta tubulin.
tubulin

tubulin

Protein component of microtubules; alpha-tubulin and beta-tubulin combine to form components of microtubules.

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