Exploring Biomolecules and Their Functional Groups

What are biomolecules primarily composed of?

• Gases

• Metals

• Similar chemical compounds

• Water

Tags

NGSS.HS-LS1-6

Which of the following is the simplest organic molecule?

• Butane

• Ethane

• Methane

• Propane

Why is carbon considered important for life?

• It is a rare element

• It can bond with many other atoms

• It is non-reactive

• It is always in a gaseous state

Tags

NGSS.HS-LS2-5

What is the term used for the carbon chain of a biomolecule?

• Branch

• Skeleton

• Bond

• Ring

What determines the reactivity of a biomolecule?

• The number of carbon atoms

• Its color

• The functional group attached to its carbon backbone

• Its size

What is a functional group?

• A specific group of bonded atoms with consistent chemical properties

• A type of bond

• A group of similar molecules

• A type of carbon chain

Tags

NGSS.HS-LS1-6

Which functional group is shown when ethanol is formed?

• Hydroxyl group

• Amino group

• Phosphate group

• Carboxyl group

Which of the following is NOT a common functional group in biology?

• Metal group

• Amino group

• Carboxyl group

• Hydroxyl group

What biomolecule is formed when a carboxyl group attaches to a carbon backbone?

• Amino acid

• Fatty acid

• Protein

• Carbohydrate

Tags

NGSS.HS-LS1-6

How many classes can all biomolecules be divided into?

• Five

• Four

• Three

• Two