Select the Best Description of an "Impression

question 32

Multiple Choice

Select the best description of an "impression".

• A) a search form is completed
• B) a visitor recommends your site to a friend
• C) your site is listed in a search engine
• D) your ad is viewed by a website visitor

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Definitions:

Rotating Flagella

Hair-like structures that protrude from the cell body of certain bacterial cells, rotating like propellers to enable movement.

Cilia

Microscopic, hair-like structures that extend from the surface of many animal cells, involved in movement and sensory functions.

Pili

Hairlike structures on the surface of many bacteria; function in conjugation or attachment. A sex pilus forms a cytoplasmic bridge with another bacterium and transfers DNA via this bridge.

Streptococci

Streptococci are a genus of gram-positive bacteria, responsible for many diseases in humans and animals, often appearing as chains of cells.