Question

Which of the following functions is carried out by cytoskeleton in a cell?

• A. Protein synthesis
• B. Motility
• C. Transportation
• D. Nuclear division

Answer 1

The Correct Option is B

The cytoskeleton is an essential component of a cell, playing a crucial role in maintaining its structure and facilitating various cellular functions. Let us analyze the options provided to determine which function the cytoskeleton is responsible for:

1. Protein Synthesis: This process involves the translation of mRNA into polypeptide chains, primarily occurring in the ribosomes. The cytoskeleton does not directly participate in protein synthesis.
2. Motility: This refers to the ability of a cell to move or the movement of components within the cell. The cytoskeleton, composed of microtubules, microfilaments, and intermediate filaments, provides structures like cilia and flagella that are integral for cellular movement and motility.
3. Transportation: While the cytoskeleton acts as a track along which organelles and molecules are transported within the cell via motor proteins, it is not responsible for the direct process of transportation itself.
4. Nuclear Division: This process involves the distribution of duplicated genetic material into two daughter nuclei, a key stage during cell division. The cytoskeleton plays a role in forming the mitotic spindle, but it is not the primary function.

Among the given options, Motility is the function specifically and significantly carried out by the cytoskeleton in a cell. Hence, the correct answer is Motility.

The cytoskeleton's ability to reorganize and generate force through its components, such as actin filaments and microtubules, is crucial for cellular motility. This enables processes such as muscle contraction, amoeboid movement, and the bending of cilia, which play vital roles in various physiological functions.