This quiz works best with JavaScript enabled. Home > Biochemistry > Biochemistry – Quiz 46 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biochemistry Quiz 46 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... are the main components of fats and oils. A) Lipids. B) Amino acids. C) Nucleic acids. D) Carbohydrates. Show Answer Correct Answer: A) Lipids. 2. A compound is made of up A) Two or more atoms. B) Two or more different elements. C) Two molecules. D) Water and Oxygen. Show Answer Correct Answer: B) Two or more different elements. 3. Which of the following would be correctly classified as a protein? A) Cellulose. B) Cholesterol. C) An enzyme. D) Starch. Show Answer Correct Answer: C) An enzyme. 4. Where does carbohydrate digestion begin? A) In the nose. B) In the ear. C) In the mouth. D) In the shoulder. Show Answer Correct Answer: C) In the mouth. 5. Which 2 molecules form the sides (backbone) of the DNA ladder? A) Deoxyribose sugar and adenine. B) Deoxyribose sugar and a hydrogen bond. C) Deoxyribose sugar and the nucleus. D) Deoxyribose sugar and phosphate. Show Answer Correct Answer: D) Deoxyribose sugar and phosphate. 6. Which of the following is an incorrect association. A) Fatty acids, lipids. B) Nucleotides, nucleic acids. C) Monosaccharides, lipids. D) Amino acids, proteins. Show Answer Correct Answer: C) Monosaccharides, lipids. 7. Glycolysis has a net gain of how many ATP molecules? A) 2. B) 4. C) 6. D) None of above. Show Answer Correct Answer: A) 2. 8. The basic building block of proteins A) Nucleotides. B) Amino acids. C) Monosaccharides. D) Fatty acids. Show Answer Correct Answer: B) Amino acids. 9. ..... is called carbohydrate though it is not a hydrate of carbon A) Acetic acid. B) Glucose. C) Deoxy ribose. D) Di hydroxy acetone. Show Answer Correct Answer: C) Deoxy ribose. 10. Normal human blood has a pH of ..... A) 7.2. B) 7.3. C) 7.4. D) 7.5. Show Answer Correct Answer: C) 7.4. 11. In order to enter cells and be useful to the body, starch must be ..... A) Absorbed through the skin. B) Broken down into fats and water. C) Digested into simple sugars. D) Converted to carbon dioxide. Show Answer Correct Answer: C) Digested into simple sugars. 12. The ..... is the positively charged particle in an atom. A) Proton. B) Neutron. C) Electron. D) None of above. Show Answer Correct Answer: A) Proton. 13. The first step of glycolysis results in the formation of: A) Glucose-6-Phosphate. B) Fructose-6-Phosphate. C) ATP. D) 1, 6 Bis-PhosphoGlycerate. Show Answer Correct Answer: A) Glucose-6-Phosphate. 14. NADH is produced by the oxidation of: A) G3P. B) DHAP. C) PEP. D) 1, 3 BPG. Show Answer Correct Answer: A) G3P. 15. This macro-molecule has a glycerol back-bone attached to hydrocarbon chains. A) Carbohydrate. B) Lipid. C) Protein. D) Nucleic Acid. Show Answer Correct Answer: B) Lipid. 16. A carbohydrate that contain two monosaccharide units bound together by a covalent bond. A) Monosaccharide. B) Disaccharides. C) Saccharides. D) Polysaccharides. Show Answer Correct Answer: B) Disaccharides. 17. Which macro-molecules store and communicates genetic information? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: D) Nucleic Acids. 18. Which are the two building blocks of lipids. A) Polysaccharides and amino acids. B) Glycerol and fatty acids. C) Glucose and fructose. D) Peptide chains. Show Answer Correct Answer: B) Glycerol and fatty acids. 19. Salts are an ..... compound. They have a positive and negative atom that make them up. A) Ionic. B) Covalent. C) Hydrogen. D) Basic. Show Answer Correct Answer: A) Ionic. 20. Which of these statements describes how monomers combine and create macromolecules? A) Amino acids combine to make proteins. B) Glucose molecules combine to make nucleic acids. C) Nucleic acids combine to make starch. D) Proteins combine to make glucose. Show Answer Correct Answer: A) Amino acids combine to make proteins. ← PreviousNext →Related QuizzesBiochemistry Quiz 1Biochemistry Quiz 2Biochemistry Quiz 3Biochemistry Quiz 4Biochemistry Quiz 5Biochemistry Quiz 6Biochemistry Quiz 7Biochemistry Quiz 8Biochemistry Quiz 9Biochemistry Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books