This quiz works best with JavaScript enabled. Home > Biochemistry > General > Biochemistry – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biochemistry Quiz 8 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the molecular formula of ribose? A) C2H40. B) CH71207. C) C5H10O5. D) C6H1206. Show Answer Correct Answer: C) C5H10O5. 2. Why do lipids have more energy than carbohydrates? A) Carbohydrates have more chemical bonds. B) Lipids taste better so we eat more of them. C) Carbohydrates taste better so we eat more of them. D) Lipids have more chemical bonds. Show Answer Correct Answer: D) Lipids have more chemical bonds. 3. The anthocyanin indicator turns greenish if the solution is ..... A) Acidic. B) Basic. C) Neutral. D) None of the above. Show Answer Correct Answer: C) Neutral. 4. Which category of carbon-based molecules includes sugars and starches? A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic acids. Show Answer Correct Answer: A) Carbohydrates. 5. How does an enzyme affect the rate of a reaction? A) It raises the activation energy of the reaction, decreasing the reaction rate. B) It lowers the activation energy of the reaction, decreasing the reaction rate. C) It lowers the activation energy of the reaction, increasing the reaction rate. D) It raises the activation energy of the reaction, increasing the reaction rate. Show Answer Correct Answer: C) It lowers the activation energy of the reaction, increasing the reaction rate. 6. The digestion of sucrose (table sugar) results in what two monosaccharides? A) Fructose and glucose. B) Maltose and glucose. C) Glucose and galactose. D) Galactose and fructose. Show Answer Correct Answer: A) Fructose and glucose. 7. Which of the following enzyme is not a protein? A) Amylase. B) Carboxypeptidase. C) DNAse. D) Ribozyme. Show Answer Correct Answer: D) Ribozyme. 8. Pinakagwapo sa MD 1Y1-7 A) Kevin Ortiz. B) Lance Monasterio. C) Nijel Castro. D) None of above. Show Answer Correct Answer: A) Kevin Ortiz. 9. The pOH of sea water is 5. What is its pH? A) 6. B) 5. C) 7. D) 9. Show Answer Correct Answer: D) 9. 10. Chemical breakdown is also referred to as: A) Anabolic. B) Catabolic. C) Metabolic. D) Lolabolic. Show Answer Correct Answer: B) Catabolic. 11. Waterproofs, insulates, and stores energy long-term A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: B) Lipids. 12. Which characteristic of water will allow a paperclip to remain floating on water when the paperclip is gently placed on top of the water? A) Adhesion. B) Surface tension. C) Solvent properties. D) Nonpolar. Show Answer Correct Answer: B) Surface tension. 13. Why are enzymes essential to all multicellular organisms? A) They provide insulation. B) They produce living tissue. C) They contain genetic information. D) They catalyze metabolic reactions. Show Answer Correct Answer: D) They catalyze metabolic reactions. 14. The enzyme that produces G3P & DHAP is: A) Hexokinase. B) Aldolase. C) PhosphoFructoKinase. D) Enolase. Show Answer Correct Answer: B) Aldolase. 15. What makes Nitrogen Fixers unique? A) Genetic Components. B) Biochemical Components. C) All of the above. D) None of the above. Show Answer Correct Answer: C) All of the above. 16. Plants use polysaccharides for such as starch for A) Structure. B) Energy storage. C) Protection. D) None of above. Show Answer Correct Answer: B) Energy storage. 17. Found the nucleus of human cells and controls the transmission of genetic information. A) Proteins. B) Nucleic acids. C) Carbohydrates. D) Lipids. Show Answer Correct Answer: B) Nucleic acids. 18. What is the main element of organic compound? A) Oxygen. B) Hydrogen. C) Nitrogen. D) Carbon. Show Answer Correct Answer: D) Carbon. 19. What is a solution that has an excess of hydroxide (OH-) ions? A) PH=6.5. B) Acid. C) Neutral. D) Base. Show Answer Correct Answer: D) Base. 20. The particle involved in chemical reactions is the A) Proton. B) Neutron. C) Electron. D) None of above. Show Answer Correct Answer: C) Electron. ← PreviousNext →Related QuizzesBiochemistry QuizzesBiochemistry Quiz 1Biochemistry Quiz 2Biochemistry Quiz 3Biochemistry Quiz 4Biochemistry Quiz 5Biochemistry Quiz 6Biochemistry Quiz 7Biochemistry Quiz 9Biochemistry Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books