Cilia and Flagella

question 87

Multiple Choice

Cilia and flagella

• A) are found only in cells that are actively moving.
• B) are found only in sex cells and unicellular organisms.
• C) use motor proteins to induce movement.
• D) may also function as receptor sites for certain hormones.
• E) are found only in one-celled organisms.

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Definitions:

Steroid

A type of organic molecule with a characteristic molecular structure containing four rings of carbon atoms (three six-membered and one five-membered).

Terpenes

A large and diverse class of organic compounds, produced by a variety of plants, characterized by their strong smell and used in a wide range of applications, including perfumes and medicines.

C:H Ratio

The ratio of carbon atoms to hydrogen atoms in a molecular structure, often used to characterize organic molecules and hydrocarbons.

Diterpene

A chemical compound composed of four isoprene units, part of a larger family of terpenes, found in various plants and contributing to their aroma, flavor, and biological activities.