15 Questions
What is the main function of the cytoskeleton?
Providing structural support for the cell
How does the cytoskeleton aid in cell motility?
By helping cells move in their environment
Which statement accurately describes the appearance of the cytoskeleton?
It resembles tent poles inside a circus tent
Besides providing structural support, what other function does the cytoskeleton perform?
Anchoring the cell to the extracellular matrix
How does the cytoskeleton contribute to cell to cell contact?
By facilitating intracellular communication
What is the main function of microfilaments in the cytoskeleton?
Cell motility and muscle contraction
Which protein makes up the intermediate filaments in the cytoskeleton?
Keratin
What is the function of myosins in the cytoskeleton?
Sliding actin filaments in muscle cells
Which component of the cytoskeleton is essential for moving chromosomes during cell division?
Microtubules
In what direction do dyneins move along microtubules?
From the plus end to the minus end
What is the function of taxol, a toxin produced by a tree?
Prevents microtubules from destabilizing
Why is cytoplasmic streaming particularly prominent in plant cells?
To optimize photosynthesis
What is the bacterial homolog of actin involved in prokaryotic cytoskeleton?
MreB/Mbl
How does taxol contribute to cancer treatment?
By preventing cancer cells from dividing
In what process does myosin movement along actin cytoskeleton fibers play a role?
Cytoplasmic streaming
Learn about the cytoskeleton, a network of proteins that forms an internal framework for cells. Understand its structure, functions like cell motility and material transport, and its importance in cell anchoring. Explore what a cytoskeleton looks like through a drawing analogy.
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