Category 4 Review

Which macromolecule has the function of quick energy?

• Lipids

• Carbohydrates

• Protein

• Nucleic Acids

Which macromolecule has the function of long term energy or energy storage

• Nucleic Acids

• Carbohydrates

• Lipids

• Protein

Which of the four major biological macromolecules can be easily identified by the nitrogen base and phosphate found in its structure?

• carbohydrate
• lipid
• protein
• nucleic acid

What is the function of nucleic acids?

• store genetic information
• store energy (long-term)
• store energy (short-term)
• build skin, hair, nails, muscles

Carbohydrates are made of... 

• C H O
• C H O N
• C H O N P
• C H O N S

Lipids are made of... 

• C H O
• C H O N
• C H O N P
• C H O N S

Proteins are made of... 

• C H O
• C H O N
• C H O N P
• C H O N S

Enzymes are an example of

• Lipids

• Carbohydrate

• Protein

• Nucleic Acid

An enzyme speeds up a reaction by

• lowering the activation energy.
• raising the activation energy.
• releasing energy.
• absorbing energy.

What happens when enzymes are heated to a high temperature?

• The enzymes die.

• The shape of the enzyme are changed and it denatures

• The enzymes' amino acid sequence changes.

• The enzymes remain the same