Cytoskeleton Overview

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Questions and Answers

What is the primary function of the cytoskeleton in cancer cells?

  • To prevent cell division and growth (correct)
  • To transport organelles and molecules throughout the cell
  • To provide structural support for the cell
  • To facilitate cell division and growth

Which of the following processes does cytoplasmic streaming facilitate in plant cells?

  • Respiration
  • Cell division
  • Protein synthesis
  • Photosynthesis (correct)

What is the role of the bacterial protein FtsZ?

  • It is responsible for the movement of myosin along the actin cytoskeleton fibers
  • It is similar to actin and serves a similar purpose as the cytoskeletal protein
  • It is similar to tubulin and serves a similar purpose as microtubules (correct)
  • It provides structural support for the bacterial cell

Which of the following is not a key function of the cytoskeleton?

<p>Regulating gene expression (C)</p> Signup and view all the answers

How do prokaryotes, such as bacteria, differ from eukaryotes in terms of their cytoskeleton?

<p>Prokaryotes have homologous proteins that serve similar functions as the eukaryotic cytoskeletal proteins (A)</p> Signup and view all the answers

What is the main function of the cytoskeleton?

<p>Provide structural support for the cell (D)</p> Signup and view all the answers

How can the cytoskeleton help a cell anchor to the extracellular matrix?

<p>Through cellular junctions (D)</p> Signup and view all the answers

What is a common function of the cytoskeleton in cell motility?

<p>Remodeling the cell's shape (C)</p> Signup and view all the answers

Which statement accurately describes the appearance of the cytoskeleton?

<p>Long fibers arranged in a network (B)</p> Signup and view all the answers

In what way does the cytoskeleton facilitate cell to cell contact?

<p>Through extracellular matrix adhesion (D)</p> Signup and view all the answers

What is the main function of the cytoskeleton in cell division?

<p>Facilitating the movement of chromosomes (B)</p> Signup and view all the answers

Which protein filament is the smallest component of the cytoskeleton?

<p>Microfilaments (C)</p> Signup and view all the answers

What is the primary function of motor proteins in the cell?

<p>Moving along cytoskeleton filaments (D)</p> Signup and view all the answers

Which protein is involved in muscle contraction?

<p>Myosin (C)</p> Signup and view all the answers

How do kinesins and dyneins move along microtubules?

<p>Kinesins move from minus end to plus end, dyneins move from plus end to minus end (A)</p> Signup and view all the answers

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