FS: Fatty Acids and Proteins

Which of the following best describes the difference between saturated and unsaturated fatty acids?

• Saturated fatty acids have double bonds, while unsaturated fatty acids have only single bonds.

• Saturated fatty acids have only single bonds, while unsaturated fatty acids have one or more double bonds.

• Both have the same number of hydrogen atoms.

• Unsaturated fatty acids are solid at room temperature.

Tags

NGSS.HS-PS1-2

Which function do lipids primarily serve in the human body?

• Providing genetic information

• Storing energy

• Catalyzing chemical reactions

• Transporting oxygen

Which part of an amino acid structure is variable and determines its unique properties?

• R group (side chain)

• Hydrogen atom

Which of the following is a nutritional role of proteins in the human diet?

• Providing insulation

• Supplying essential amino acids

• Storing genetic information

• Acting as a primary energy source

Which food is a rich source of essential fatty acids?

• Butter

• Olive oil

• Salmon

• White bread

Which of the following best explains why trans fats are considered unhealthy compared to cis fats?

• Trans fats increase HDL cholesterol and decrease LDL cholesterol.

• Trans fats increase LDL cholesterol and decrease HDL cholesterol.

• Trans fats are more easily digested than cis fats.

• Trans fats are only found in plant oils.

A student is analyzing the nutritional label of two foods. Food A is high in saturated fats, while Food B is high in polyunsaturated fats. Which food would be a better choice for heart health, and why?

• Food A, because saturated fats are healthier.

• Food B, because polyunsaturated fats can help lower cholesterol.

• Food A, because it provides more energy.

• Both are equally healthy.

A person is following a vegetarian diet. Which combination of plant-based foods would best provide all essential amino acids?

• Rice and beans

• Apples and carrots

• Lettuce and tomatoes

• Potatoes and corn

If a food product is labeled as "high in omega-3 fatty acids," what health benefit might it provide, and why?

• It may increase the risk of heart disease because omega-3s are saturated fats.

• It may reduce inflammation and support heart health due to the anti-inflammatory properties of omega-3s.

• It may cause weight gain because omega-3s are high in calories.

• It may decrease protein synthesis.

A food scientist is developing a new protein bar. Which factor should they consider to ensure the bar provides complete protein?

• The bar contains only plant-based ingredients.

• The bar includes all essential amino acids in adequate amounts.

• The bar is low in carbohydrates.

• The bar is high in saturated fat.