Biochemistry Quiz

Which element is not necessary for life?

• Carbon

• Nitrogen

• Lithium

• Hydrogen

Answer explanation

Lithium is the lightest metal and is the least dense element.

Which element can form almost unlimited lengths?

• Carbon

• Helium

• Boron

• Nitrogen

Answer explanation

Carbon has 4 electrons in their valence shell (outer). Every organism on the planet contains carbon.

Draw a compound that has a single carbon to carbon bond.

What are molecules that contain carbon called?

• Natural

• Inorganic

• Artificial

• Organic

What are large, organic molecules called?

• Micromolecules

• Pinomolecules

• Gigamolecules

• Macromolecules

Draw an example of a polymer.

Smaller molecules that come together to form larger molecules are called what?

• Polymers

• Monomers

• Dimers

• Gamers

Which process forms polymers?

• Dehydration

• Photosynthesis

• Hydrolysis

• Hydrogenation

Monosaccharides belong to this group of macromolecules.

• Lipids

• Nucleic Acids

• Carbohydrates

• Proteins

Amino acids are the monomers of this type of macromolecule.

• Carbohydrates

• Proteins

• Nucleic Acids

• Lipids