NEET BIOLOGY

Detailed explanation-1: -The plasma membranes of cells that specialize in absorption are folded into fingerlike projections called microvilli (singular = microvillus).

Detailed explanation-2: -The function of cilia is to move water relative to the cell in a regular movement of the cilia. This process can either result in the cell moving through the water, typical for many single-celled organisms, or in moving water and its contents across the surface of the cell.

Detailed explanation-3: -Cilia and flagella are cell organelles that are structurally similar but different in length and function. Cilia are present in organisms such as paramecium, while flagella can be found in bacteria and sperm cells. Cilia are shorter and more numerous than flagella.

Detailed explanation-4: -Cilia and flagella are conserved, motile, and sensory cell organelles involved in signal transduction and human disease. Their scaffold consists of a 9-fold array of remarkably stable doublet microtubules (DMTs), along which motor proteins transmit force for ciliary motility and intraflagellar transport.

Detailed explanation-5: -Centrioles/basal bodies (CBBs) are microtubule-based cylindrical organelles that nucleate the formation of centrosomes, cilia, and flagella.