The correct option is B
What are the similarities between cilia and flagella?
Cilia and flagella are alike in that they are made up of microtubules. Cilia are short, hair-like structures that exist in large numbers and usually cover the entire surface of the plasma membrane. Flagella, in contrast, are long, hair-like structures; when flagella are present, a cell has just one or two.
What are the similarities and differences between cilia and flagella?
Cilia and flagella are cell organelles that are structurally similar but different in length and functions. 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.
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