Cell Biology: Chloroplasts and Cytoskeletons

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Questions and Answers

What is the main function of chloroplasts?

  • Anchor the nucleus and organelles
  • Support cell shape
  • Produce motility in the cell
  • Sites of photosynthesis (correct)

Which type of filaments are the thickest in the cytoskeleton?

  • Microtubules (correct)
  • Microfilaments
  • Intermediate filaments
  • Actin filaments

What is the function of microfilaments (actin filaments)?

  • Mediate muscle contraction (correct)
  • Move chromosomes during cell division
  • Anchorage of nucleus and organelles
  • Maintaining cell shape

What is the role of intermediate filaments in a cell?

<p>Anchorage of nucleus and organelles (D)</p> Signup and view all the answers

In plant cells, what connects cells together and unifies them into one living continuum?

<p>Plasmodesmata channels (B)</p> Signup and view all the answers

What characterizes microtubules among the cytoskeletal filaments?

<p>Consist of hollow tubes of tubulin molecules (A)</p> Signup and view all the answers

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