Cytoskeleton Review

These flashcards cover key concepts about the cytoskeleton, emphasizing its structure and function within living cells.

The cytoskeleton provides cells with shape, support, and __.

Movement

Cytoskeleton

Located in the cytoplasm

3 types of cytoskeleton structures

Intermediate

Action

Microtubules

Intermediate filaments display the most variation among __.

cell types

The major function of intermediate filaments is to provide __ support to the cell.

structural

Actin filaments are sometimes referred to as __.

microfilaments

How many actin polymers to form single actin filament

2

The major functions of microtubules include migration of __ during cell division.

chromosomes

In polymerizing tubulin dimers, α-tubulin is bound to __.

GTP

The specialized form of tubulin that is the starting point for microtubule __ is gamma-tubulin.

nucleation

The plus end of a microtubule is anchored at the __ within the microtubule organizing center (MTOC).

minus end

The major intermediate filament in skin cells is __.

keratin

Taxol is a widely used chemotherapy agent that affects __ cell viability.

human

Kinesin

Motor protein that moves cargo towards the plus end of microtubules

Dynein

Motor protein that moves cargo towards the minus end of microtubules

Myosin

Motor protein that contracts actin filaments in muscle contraction

Basal body

Microtubule based structure on which cilia and flagella are based

Cilia

Microtubules based on hair like appendages on cells that beat to produce motility