11. Which of the following choices are the primary energy source of the human body? a. Lipids b. Carbohydrates c. Proteins d. Nucleic Acids 12. Which of the following choices does NOT belong to the group? a. phospholipids b. triglyceride c. steroid d. hemoglobin 13. The excessive consumption of carbohydrates is converted into which polysaccharide that is stored in the liver and in muscles? a. hemoglobin b. uric acid c. glycogen d. creatinine 14. Which of the following choices is a major insoluble fibrous protein found in connective tissues such as tendons, ligaments, skin, cartilage and the cornea of the eye? a. collagen b. albumin c. pepsin d. keratin 15. Which of the following is NOT a part of a nucleotide? a. phosphate group b. ribonucleic acid c. sugar d. nitrogenous base 16. Which nutrient group is used in the composition of waxes and responsible for insulation of some organisms? a. proteins b. carbohydrates c. nucleic acid d. lipids 17. Which biomolecules are significant features of the cell membrane? a. protein and lipid c. lipid and nucleic acid b. nucleic acid and protein d. carbohydrate and nucleic acid 18. Which of the following is termed as the blueprint of life? a. ribonucleic acid b. nucleic acid c. fatty acid d. deoxyribonucleic acid 19. Which of the following choices is a good example of saturated fat? a. olive oil b. sunflower oil c. butter d. corn oil 20. Which biomolecular group carries and passes on the hereditary information of the organism? a. lipids b. nucleic acid c. proteins d. carbohydrates
