Describe the various characteristics of the carbon atom that makes possible the building of a variety of biological molecules.

Carbon (C) is a chemical element, which is non-metallic in nature and is tetravalent. It is capable of forming 4 strong covalent bonds with different types of elements.

Carbon also has the ability to form long chains of strong and stable C-C bonds, which are interconnected.

Carbon serves as the building block of biomolecules and all living things have carbon in some form.

Carbon serves as the backbone for the formation of macromolecules like carbohydrates, lipids, proteins, and nucleic acids.

Hello there ^ _ ^

The two functions of cilia in protists are :

 1. sweeps food toward the protist's food passageway
 2. moves a protist forward by beating back and forth

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