3.3.1 The Cytoskeleton: Basic Components Flashcards
Which of the following are components of a eukaryotic cell’s cytoskeleton?
1. actin filaments
2. microtubules
3. intermediate filaments
4. all of the above
4. all of the above
Microtubules play an integral role in __________, while the microfilaments are involved in __________.
the movement of chromosomes, cell division
A major difference between microtubules and microfilaments are
Microtubules are hollow cylindrical molecules, whereas microfilaments are not.
The cytoskeleton of a cell functions to allow ____________ to move, ___________ organelles, provide structure and support.
to allow organelles to move, anchor organelles
True or False?
The movement of muscle fibers is a function of microtubules.
False
Explanation:
Microfilaments, not microtubules, play an important role in
muscle contraction.
The cytoskeleton consists of a series of fibers and filaments that are responsible
for maintaining the cell’s shape
The three main types of protein fibers are ________ __________, medium-sized ____________ filaments, and large _____________.
thin microfilaments, medium-sized intermediate filaments, and large microtubules.