Final answer:
Microfilaments and microtubules are vital for cell structure and movement. Microfilaments enable cellular movements and shape maintenance, while microtubules act as tracks for intracellular transport, aid in cell division, and maintain cell integrity.
Step-by-step explanation:
The greater development of microfilaments and microtubules greatly enhances a cell's organizational structure and functionality. Microfilaments, made primarily of actin, provide rigidity and shape to cells, enabling cellular movements such as muscle contraction and cell division. They also maintain the structure of microvilli and facilitate the dynamic changes a cell undergoes during movement. On the other hand, microtubules, consisting of alpha and beta tubulin, offer resistance to compression, act as tracks for motor proteins moving vesicles within the cell, and are crucial in pulling replicated chromosomes to opposite ends during cell division. They also form critical structures such as centrioles, flagella, and cilia, which are essential for cell movement and the cell's structural integrity.