Macromolecules SS23

A carbohydrate is a macromolecule that is used to...

• give cells/systems energy.

• build cell parts.

• give cells/systems long term energy storage.

• help cells with chemical processes.

Starch is...

• a protein

• a carbohydrate

• a lipid

• a nucleic acid

Which of the following elements are found in all macromolecules? (Select all that apply).

• 
• 
• 
• 

Match the following MONOMERS and MACROMOLECULES

• Nucleic Acid

• 
• Protein

• 
• lipid

• 
• carbohydrate

• 

An enzyme is a ______________.

• carbohydrate

• lipid

• nucleic acid

• protein

Which macromolecule gives LONG-TERM energy?

• lipid

• carbohydrate

• nucleic acid

Answer explanation

Lipids are fats.

Lipids give us long-term energy.

Examples: Butter, oil, waxes, fats

Proteins are made of monomers called ___________

• Nucleotides

• Monosaccharides

• Amino Acids

• phospholipids

DNA and RNA are examples of 

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids

What is the purpose  of an enzyme?

• give permission for the reaction
• raise activation energy
• speed up reactions
• control how many reactions occur

What is the function of macromolecule subunit shown?

• energy

• catalyst

• stores genetic information

• composes the majority of the cell membrane