Buy Organic Chemistry and Macromolecules
Buy Organic Chemistry and Macromolecules
1. Denaturation of proteins involves disruption of the
A. primary structure
B. secondary structure
C. tertiary structure
D. covalent bonding
2. One of the following is NOT a function of lipids in the body. Which one?
A. function as co-enzymes.
B. used in phospholipids.
C. used to make prostaglandins.
D. steroids are produced from them.
3. Amino acids are the building blocks of all proteins. As more amino acids are
added the protein chain tends to fold upon itself in a characteristic way. This
characteristic of a protein is called the:
A. primary structure
B. secondary structure
C. tertiary structure
D. quaternary structure
.
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4. Which of the following is the correct combination for the nucleic acid DNA?
A. Phosphate, Ribose, Uracil
B. Phosphate, Deoxyribose, Uracil
C. Phosphate, Ribose, Adenine
D. Phosphate, Deoxyribose, Adenine
5. To which of the following class of biological compounds do all enzymes
belong?
A. Hormones
B. Proteins
C. Carbohydrates
D. Lipids
6. The twisting of a polypeptide chain into a characteristic shape such as a helix is
an example of which of the following?
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. Quaternary structure
7. Which one of the following is NOT a steroid compound?
A. stearic acid
B. oestrogen
C. cholesterol
D. testosterone
8. Which of the following carbohydrates are able to pass through the plasma
membrane?
A. disaccharides
B. sucrose
C. glycogen
D. monosaccharides
9. Which of the following foods when catabolised in the body produces the highest yield of energy?
A. 100 gram of fat
B. 100 gram of chocolate
C. 100 gram of carbohydrate
D. 100 gram of protein
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10. Fructose is a simple sugar or carbohydrate. What is it an example of? A:
A. monosaccharide
B. disaccharide
C. polysaccharide
D. oligosaccharide
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