This quiz works best with JavaScript enabled. Home > Biochemistry > Biochemistry – Quiz 27 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biochemistry Quiz 27 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which pair is incorrect? A) Carbohydrates - provide energy. B) Lipids - provide insulation. C) Nucleic acids - store hereditary information. D) Proteins - provide energy. Show Answer Correct Answer: D) Proteins - provide energy. 2. A(n) ..... is the part of the enzyme the substrate fits into. A) Product. B) Active site. C) Enzyme. D) Substrate. Show Answer Correct Answer: B) Active site. 3. Which of the following is not a disachcharide? A) Lactose. B) Maltose. C) Sucrose. D) Fructose. Show Answer Correct Answer: D) Fructose. 4. Which of the following macromolecules are responsible for speeding up chemical reactions? A) Proteins. B) Lipids. C) Carbohydrates. D) Nucleic acids. Show Answer Correct Answer: A) Proteins. 5. An atom with atomic number 6 would have how many protons? A) 6. B) 12. C) 3. D) Cannot be determined. Show Answer Correct Answer: A) 6. 6. WHO made a model of the DNA molecule with two strands wound around each other called a double helix? A) Chargaff. B) Hershey and Chase. C) Avery. D) Watson & Crick. Show Answer Correct Answer: D) Watson & Crick. 7. What is a substance in which the atoms of two are more elements are combined in a fixed proportion? A) Compounds. B) Elements. C) Atoms. D) Quarks. Show Answer Correct Answer: A) Compounds. 8. Enzymes and hormones are both examples of: A) Proteins. B) Lipids. C) Nucleic acids. D) Carbohydrates. Show Answer Correct Answer: A) Proteins. 9. When Tyrosine is found in a protien A) The protien gives blue color withlead acetate. B) The protien gives blue color with Millon's. C) The protien gives red color with Millon's. D) The protien gives red color with Hopkins Cole. Show Answer Correct Answer: C) The protien gives red color with Millon's. 10. ..... are the building blocks of life. A) Solids. B) Gases. C) Atoms. D) Nutrients. Show Answer Correct Answer: C) Atoms. 11. Where in our cells does translation occur? A) Nucleus. B) Mitochondria. C) Ribosome. D) Chloroplast. Show Answer Correct Answer: C) Ribosome. 12. Proteins are compose of the elements ..... A) C, H, O. B) C, H, O, P. C) C H, O P, N. D) C, H, O, N. Show Answer Correct Answer: D) C, H, O, N. 13. Covalent compounds A) Share electrons. B) Transfer electrons. C) Contain a sea of electrons. D) Conduct electricity. Show Answer Correct Answer: A) Share electrons. 14. Movement:Makes up muscle tissue (Actin and Myosin)Transport:Carries oxygen in organisms (Hemoglobin) Immunity:Helps fight off foreign invaders (Antibodies) Enzymes:Speed up chemical reactionsSmall source of energy A) Functions of carbohydrates. B) Functions of lipids. C) Functions of nucleic acids. D) Functions of proteins. Show Answer Correct Answer: D) Functions of proteins. 15. How many atoms/elements are in H3? A) 1. B) 0. C) 2. D) 3. Show Answer Correct Answer: D) 3. 16. Glycolysis results in the net gain of: A) 2 ATP. B) 4 ATP. C) 4 NADH. D) 2 Acetyl CoA. Show Answer Correct Answer: A) 2 ATP. 17. The energy needed to start a reaction A) Activation energy. B) Adhesion energy. C) Chemical energy. D) Cohesion energy. Show Answer Correct Answer: A) Activation energy. 18. . What is it called when one strain of bacteria is CHANGED by a gene Translation Mutation Transformation Hox Gene A) Translation. B) Mutation. C) Transformation. D) Hox Gene. Show Answer Correct Answer: C) Transformation. 19. How many atoms/elements in K? A) 1. B) 2. C) 3. D) 0. Show Answer Correct Answer: A) 1. 20. In ....., either amino acid or carbohydrate monomers bond together. A) Dehydration synthesis. B) Hydrolysis. C) Phosphodiester bonding. D) Hydrogen bonding. Show Answer Correct Answer: A) Dehydration synthesis. ← 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