Biology Unit 2 Review

Front

What is an element?

Back

A substance made up of only one kind of atom that cannot be broken down by chemical reactions.

Front

What do monomers chemically connect to form?

Back

Polymers.

Front

Which element is the basis of all living things?

Back

Carbon.

Front

What is an example of a carbohydrate?

Back

Sugar.

Front

What are proteins built from?

Back

Amino acids.

Front

Define a molecule.

Back

A group of two or more atoms bonded together.

Front

What is the function of carbohydrates in living organisms?

Back

They provide energy and structural support.

Front

What are lipids?

Back

A group of organic compounds that are insoluble in water, including fats and oils.

Front

What is the role of nucleotides in biology?

Back

They are the building blocks of nucleic acids like DNA and RNA.

Front

What is the difference between a monomer and a polymer?

Back

A monomer is a single unit, while a polymer is a chain of monomers bonded together.