Multiple Choice
In animal cells, what is the primary function of centrioles during cell division?
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15. Cytoskeleton and Cell Movement
Microtubules and Cell Division
Multiple Choice
In animal cells, which organelle serves as the main microtubule-organizing center that helps form the mitotic spindle during cell division?
A
Centrosome (containing a pair of centrioles)
B
Golgi apparatus
C
Lysosome
D
Smooth endoplasmic reticulum
Verified step by step guidance1
Understand the role of microtubule-organizing centers (MTOCs) in animal cells, which are crucial for nucleating and anchoring microtubules.
Recall that during cell division, microtubules form the mitotic spindle, which is essential for chromosome separation.
Identify the organelle responsible for organizing microtubules in animal cells; this organelle contains a pair of centrioles and is known as the centrosome.
Recognize that other organelles listed, such as the Golgi apparatus, lysosome, and smooth endoplasmic reticulum, do not function as MTOCs or form the mitotic spindle.
Conclude that the centrosome is the main microtubule-organizing center that helps form the mitotic spindle during cell division in animal cells.
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