Which of the following is characteristic of cilia?

Step 1: Define the Problem

Identify the key components of the question that need to be addressed: Determine the characteristic features of cilia.

Step 2: Break Down the Problem

Divide the problem into smaller, manageable parts:

• Understand what cilia are.
• Identify their main functions and characteristics.

Step 3: Apply Relevant Concepts

Use appropriate academic theories or formulas to solve each part of the problem:

• Cilia are small, hair-like structures on the surface of certain cells.
• They are primarily involved in movement and sensory functions.

Step 4: Analysis, Verify and Summarize

Analyze each part in detail if necessary, carry out the calculations by steps. Verify the calculations result and summarize the findings:

• Cilia can be motile or non-motile.
• Motile cilia help in moving fluids or cells across their surface.
• Non-motile cilia often serve sensory functions.

Final Answer

Cilia are characterized by their hair-like structure and are involved in movement and sensory functions on the surface of cells.