Understanding Fats and Proteins Quiz

Which of the following best describes how transfats are produced?

• By removing hydrogen from saturated fats

• By adding hydrogen to monounsaturated fats

• By mixing saturated and unsaturated fats

• By heating fats at high temperatures

Which statement correctly distinguishes between essential and non-essential amino acids?

• Essential amino acids can be produced by the body, non-essential cannot

• Non-essential amino acids must be obtained from food, essential cannot

• Essential amino acids must be obtained from food, non-essential can be produced by the body

• Both types must be obtained from food

What is the main function of phospholipids in cells?

• Energy storage

• Forming the cell membrane

• Hormone production

• Acting as enzymes

Which of the following is true about enzymes?

• They are changed during chemical reactions

• They are reusable and specific to certain molecules

• They can speed up any chemical reaction

• They are made only of carbohydrates

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-5

Which suffix is commonly found at the end of enzyme names?

• -ose

• -ase

• -ine

• -ate

Which of the following is NOT a function of proteins in the body?

• Structure (muscles and hair)

• Defense (immune system)

• Energy storage (long-term)

• Metabolism (enzymes)

If a food label says "Trans Fat Free," what does it actually mean?

• The food contains no fat at all

• The food contains less than 0.50g of trans fat per serving

• The food contains only saturated fats

• The food contains only unsaturated fats

Which element is NOT always found in proteins?

• Carbon

• Hydrogen

• Nitrogen

• Phosphorus

What is the relationship between enzymes and catalysts?

• All catalysts are enzymes

• All enzymes are catalysts

• Enzymes slow down chemical reactions, catalysts speed them up

• Catalysts are made of amino acids, enzymes are not

Which of the following best explains why enzymes are described as "specific"?

• They can work on any molecule

• They only work on certain molecules, like a lock and key

• They are only found in animals

• They are only used once