Food Chemistry & Biochemistry MCQs (Quiz 3)

1. Essential amino acids must be _______

 Produced during digestion

 Stored in adipose tissue

 Obtained from diet

 Synthesized in liver

2. Denaturation of proteins may occur due to _______

 Carbohydrate synthesis

 Low oxygen only

 Neutral pH only

 Heat or extreme pH

3. Sterols such as cholesterol are important for _______

 Protein digestion

 Membrane structure and hormone synthesis

 DNA replication

 Carbohydrate storage

4. The main function of lipoproteins is to _______

 Digest proteins

 Store vitamins

 Synthesize glucose

 Transport lipids in the blood

5. Saturated fatty acids are characterized by _______

 Presence of double bonds

 Presence of triple bonds

 Presence of peptide bonds

 Absence of double bonds

6. The principal protein in cow’s milk is _______

 Globulin

 Casein

 Keratin

 Albumin

7. The primary storage form of lipids in animals (including humans) is _______

 Waxes

 Phospholipids

 Sterols

 Triglycerides

8. The primary storage form of lipids in the human body is _______

 Triglycerides

 Waxes

 Sterols

 Phospholipids

9. HDL (High-Density Lipoprotein) is commonly known as _______

 Bad cholesterol

 Good cholesterol

 Storage cholesterol

 Plant sterol

10. Waxes mainly function to _______

 Provide quick energy

 Reduce water loss and provide protection

 Catalyze reactions

 Store genetic material

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Question 1 of 10

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