Question

Microtubule is involved in the
(a) cell division
(b) muscle contraction
(c) membrane architecture
(d) DNA recognition

Answer 1

Microtubule is involved in the:

(a) cell division

• Microtubule is microscopic tubes that are hollow. They are made up of the proteins alpha and beta-tubulin.

• They form a major part of the cytoskeleton and provide shape and structure to eukaryotic cells.

• The main function of the microtubule is to facilitate the movement of chromosome in the cell.

• They are involved in cell division by processes called mitosis and meiosis.

Answer 2

Microtubule is involved in the  cell division.

Option (A) is correct.

Explanation:

• Microtubules are essential protein filaments of the cytoskeletons.
• They are essential to all eukaryotic cells and their flageIla, basal bodies, cilia, centroles and mitosis.
• Each microtubule is made up of a hollow cylinder of 13 protofilaments of the tubulin protein.
• The diameter of each microfibril is 25 nm.
• The function of microtubule is to guide organelle and chromosome movement in the cell.
• It also causes cell elongation and help in movements of flagella.

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