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Multiple Choice
Which of the following structures is part of the mitotic spindle?
A
Centrioles
B
Ribosomes
C
Golgi apparatus
D
Nucleolus
Verified step by step guidance
1
Understand the function of the mitotic spindle: The mitotic spindle is a structure composed of microtubules that segregates chromosomes into the daughter cells during mitosis.
Identify the components involved in the formation of the mitotic spindle: The spindle apparatus is primarily composed of microtubules and associated proteins, and centrioles play a crucial role in organizing these microtubules.
Examine the role of centrioles: Centrioles are cylindrical structures that help in the formation of spindle fibers during cell division. They are located near the nucleus in the centrosome and are essential for the proper functioning of the mitotic spindle.
Differentiate centrioles from other cellular structures: Ribosomes are involved in protein synthesis, the Golgi apparatus is involved in modifying, sorting, and packaging proteins, and the nucleolus is involved in ribosome production. None of these are directly involved in the formation of the mitotic spindle.
Conclude that centrioles are the correct answer: Based on their role in organizing microtubules and facilitating chromosome segregation during mitosis, centrioles are indeed part of the mitotic spindle.