Cell Biology Lecture 7: Cytoskeleton and Cell Function

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Questions and Answers

What is the function of actin filaments in the cytoskeleton?

Forming the mitotic spindle during cell division
Determining the shape of the cell’s surface and driving whole-cell locomotion (correct)
Providing mechanical strength to the cell
Directing intracellular transport

What is the role of microtubules in the cytoskeleton?

Organizing the internal components of the cell
Determining the positions of membrane-enclosed organelles and forming the mitotic spindle (correct)
Providing mechanical strength to the cell
Driving whole-cell locomotion

What is the primary function of intermediate filaments in the cytoskeleton?

Determining cell shape and driving locomotion
Forming the mitotic spindle during cell division
Directing intracellular transport
Providing mechanical strength (correct)

How are large-scale cytoskeletal structures described in terms of adaptability?

<p>Dynamic and adaptable, organized more like ant trails than interstate highways (A)</p> Signup and view all the answers

What do cells need to be able to do in order to function properly?

<p>Organize themselves in space, interact mechanically with each other and their environment, and rearrange internal components as they grow and adapt (D)</p> Signup and view all the answers