The Chemical Nature of Lipids

What are the main subunits that make up triglycerides?

• Glycerol and fatty acids

• Sterols and phospholipids

• Amino acids and glycerol

• Carbohydrates and fatty acids

What is the difference between fats and oils at room temperature?

• Fats are liquid and oils are solid

• Fats are solid and oils are liquid

• Fats are unsaturated while oils are saturated

• Fats contain glycerol while oils do not

Which of the following is an unsaturated fat?

• Butter

• Coconut oil

• Olive oil

• Lard

Which of the following is a characteristic of saturated fats?

• Contain only single bonds between carbon atoms

• Contain one or more double bonds between carbon atoms

• Are always liquid at room temperature

• Have lower melting points than unsaturated fats

Which of the following is true about unsaturated fats?

• They have no double bonds

• They are solid at room temperature

• They are liquid at room temperature

• They are typically derived from animal sources

Which of the following oils is a source of saturated fats?

• Canola oil

• Coconut oil

• Sunflower oil

• Olive oil

What type of bond is found in unsaturated fatty acids that causes a 'bend' in the carbon chain?

• Single bond

• Double bond

• Triple bond

• Hydrogen bond

Which of the following fats is high in saturated fatty acids?

• Butter

• Canola oil

• Fish oil

• Olive oil

What is the main health concern associated with high intake of trans-fatty acids?

• Decrease in blood sugar levels

• Increase in HDL cholesterol

• Increase in LDL cholesterol

• Increased energy levels

Which of the following statements about the difference between saturated and unsaturated fats is correct?

• Saturated fats contain more double bonds than unsaturated fats

• Saturated fats are liquid at room temperature, while unsaturated fats are solid

• Saturated fats have no double bonds, while unsaturated fats have one or more double bonds

• Unsaturated fats are primarily found in animal products, while saturated fats are found in plant oils