Chemistry of Life Questions

CO₂ is considered a:

• Compound

• Molecule

• Compound and Molecule

• None of the above

H₂ is considered a:

• Compound

• Molecule

• Compound and Molecule

• None of the above

Molecules must have:

• at least 1 atom

• at least 2 different elements

• at least 2 atoms

• at least 3 atoms

Compounds must have:

• at least 1 atom

• at least 2 atoms

• at least 2 different elements

• none of the above

__________________ provide quick energy and break down easily.

• Complex Carbohydrates

• Simple Carbohydrates

• Proteins

• Lipids

__________ is an example of a nucleic acid.

• Glucose

• Sucrose

• Starch

• ATP

_______________ speed up chemical reactions in your body.

• Carbs

• Lipids

• Enzymes

• none of the above

A _____________ is made of 1 sugar molecule.

• disaccharide

• monosaccharide

• polysaccharide

• pentoses

What is the difference between compounds and molecules?

What is the difference between complex and simple carbohydrates?