Biomolecules - carbohydrates, fats & proteins

Lipids are examples of polymers.

• True

• False

What are the element(s) found in all three type of biomolecules - carbohydrates, proteins and lipids.

• carbon

• hydrogen

• oxygen

• nitrogen

Which is NOT a function of lipid?

• Forms cell membrane

• Storage of energy

• Forms transport molecules in cell membrane

• Forms hormones

Which is NOT a function of protein?

• Forms enzyme which can speed up chemical reactions in cells

• Forms the cell wall for structural support

• Forms muscles which allows for movement

• Forms antibodies which help to fight infection

Which is NOT a function of carbohydrates?

• energy storage

• cushioning of organs and tissues

• structural components of cells

• important “materials” for building other biomolecules

The following is an example of a dehydration reaction.

• True

• False

Identify this biomolecule.

• fatty acid

• phospholipid

• polysaccharide

• triglyceride

Identify this biomolecule

• triglyceride

• polysaccharide

• phospholipid

• fatty acid

This is an example of a saturated fatty acid.

• True

• False

What is the type of biomolecule shown in the diagram?

• Carbohydrate

• Lipid

• Protein

• Nucleic acid