Chemistry of Life

Multiple Choice

What is the simplest and smallest part of matter? 

• Cells

• Protein

• Atoms

• Molecules

Multiple Choice

A(n) ________ is formed when 2 or more elements combine chemically.

• element

• atom

• lipid

• compound

Multiple Choice

______ contains genetic information. 

• atoms

• DNA

• Lipi

Multiple Choice

Organic compounds always contain ________ and _________.

• carbon and oxygen

• hydrogen and nitrogen

• carbon and nitrogen

• carbon and hydrogen

Multiple Choice

Which type of carbohydrate is made of one sugar molecule? 

• Disaccharide

• Monosaccharide

• Polysaccharide 

• none of the above 

Multiple Choice

_______ store energy and form cell membranes.

• Carbohydrates

• Proteins

• Nucleic Acid

• Lipids

Multiple Choice

__________ are large molecules made of nucleotides that store coded information. 

• Proteins

• Lipids

• Nucleic Acid

• Carbohydrates