This quiz works best with JavaScript enabled. Home > Agriculture > Biochemistry > General > Biochemistry – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biochemistry Quiz 16 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which property makes water molecules stick to other water molecules? A) Cohesion. B) Adhesion. C) Capillary action. D) Polarity. Show Answer Correct Answer: A) Cohesion. 2. Reactions that build up molecules A) Catabolic reaction. B) Anabolic reaction. C) Thermal expansion. D) Reactants and products. Show Answer Correct Answer: B) Anabolic reaction. 3. What does the overall shape and folding of a protein relate to its function? A) The folding and shape determine whether the protein can provide the necessary energy the cell needs to function. B) The folding and shape play a important role in how many different atoms carbon can bond with. C) The folding and shape determine the role the protein plays in maintaining homeostasis. D) The folding and shape have nothing to do with how a protein functions. Show Answer Correct Answer: C) The folding and shape determine the role the protein plays in maintaining homeostasis. 4. The maintenance of a constant internal environment is known as ..... A) Homeothermic. B) Homologous. C) Homeostasis. D) Homozygous. Show Answer Correct Answer: C) Homeostasis. 5. What is the monomer of carbohydrate? A) Chitin. B) Glucose. C) Sucrose. D) Starch. Show Answer Correct Answer: B) Glucose. 6. In which type of molecule is the ratio of hydrogen to oxygen usually 2 to 1? A) Protein. B) Carbohydrate. C) Lipid. D) Glycerol. Show Answer Correct Answer: B) Carbohydrate. 7. Copper sulfate is an ingredient of A) Molisch's Reagent. B) Seliwanoff's reagent. C) Iodine solution. D) Benedict's Reagent. Show Answer Correct Answer: D) Benedict's Reagent. 8. Bromelain, an enzyme found in pineapple, breaks down: A) Nucleic acids. B) Carbohydrates. C) Lipids. D) Proteins. Show Answer Correct Answer: D) Proteins. 9. Most human enzymes work best at around what temperature? A) 150 degree Fahrenheit. B) 98 degree Fahrenheit. C) 32 degree Fahrenheit. D) None of above. Show Answer Correct Answer: B) 98 degree Fahrenheit. 10. What is the function of fats for living organisms? A) Short term energy storage. B) Catalyze metabolic reactions. C) Long term energy storage. D) Store hereditary information. Show Answer Correct Answer: C) Long term energy storage. 11. Eukaryotes differ from prokaryotes because eukaryotes have A) Membrane-bound organelles. B) A cell membrane. C) Cytoplasm. D) DNA. Show Answer Correct Answer: A) Membrane-bound organelles. 12. If Fructose-1, 6-BisPhosphate is put through glycolysis the net result would be: A) 4 NADH. B) 4 ATP. C) 2 FADH2. D) 2 ATP. Show Answer Correct Answer: B) 4 ATP. 13. What is the function of nucleic acids? A) Movement. B) Stores genetic information. C) Physical structure. D) Stores energy. Show Answer Correct Answer: B) Stores genetic information. 14. Which vitamin helps your eyes? A) Vitamin C. B) Vitamin A. C) Vitamin B. D) Vitamin D. Show Answer Correct Answer: B) Vitamin A. 15. Sugar present in DNA is ..... A) Deoxy Ribose. B) Ribose. C) Glucose. D) No sugar is present in DNA. Show Answer Correct Answer: A) Deoxy Ribose. 16. Forming a chain of amino acids would produce a ..... molecule. A) Carbohydrate. B) Protein. C) Lipid. D) Nucleic Acid. Show Answer Correct Answer: B) Protein. 17. Building blocks of polymers. A) Polypeptide. B) Glycerol. C) Monosaccharide. D) Monomer. Show Answer Correct Answer: D) Monomer. 18. Which of the following is the strongest acid? A) 8. B) 1. C) 5. D) 3. Show Answer Correct Answer: B) 1. 19. Which is NOT true of Lipids? A) They are commonly called fats and oils. B) They are "hydrophobic" and do not interact with water. C) They are good for energy storage. D) They are polar like water. Show Answer Correct Answer: D) They are polar like water. 20. The bond that joins two amino acids together A) Hydrogen bond. B) Ionic bond. C) Double bond. D) Peptide bond. Show Answer Correct Answer: D) Peptide bond. 21. Which statement is true about beta-carotene? A) It is absorbed up to four times more efficiently than retinol. B) It is found in fruits and vegetables. C) It is found in dairy products. D) It is found in liver. Show Answer Correct Answer: B) It is found in fruits and vegetables. 22. It is referred to as the Hexose monophosphate shunt A) Phosphate pathways. B) Pentose phosphate pathways. C) Pentose pathways. D) All of the above. Show Answer Correct Answer: B) Pentose phosphate pathways. 23. Galactose and glucose are both monosaccharides with the molecular formula C6H12O6. When these two molecules undergo dehydration synthesis, they form lactose, milk sugar. What is the structural formula of lactose? A) C12H22O11. B) C12H24O12. C) C11H22O12. D) C12H23O11. Show Answer Correct Answer: A) C12H22O11. 24. The basic building blocks (monomers) of carbohydrates are: A) Nucleotides. B) Monosaccharides. C) Amino acids. D) Triglycerides. Show Answer Correct Answer: B) Monosaccharides. 25. ..... are molecules that boost the immune system. They do so by protecting cells from harmful molecules called free radicals. A) Antioxidants. B) Anti free radicals. C) Surfactants. D) Antbodies. Show Answer Correct Answer: A) Antioxidants. 26. Lipids are not soluble in water because they are ..... while water is ..... A) Non-polar, polar. B) Hydrolyzed, cohesive. C) Polar, non-polar. D) Cold, hot. Show Answer Correct Answer: A) Non-polar, polar. 27. What is the function of carbohydrates? A) Store energy (long-term). B) Store energy (short-term). C) Store genetic information. D) Build skin, hair, nails, muscles. Show Answer Correct Answer: B) Store energy (short-term). 28. Thermodynamics deals with the relationships between ..... and other forms of energy A) Heat. B) Electrons. C) Biomolecules. D) Organelles. Show Answer Correct Answer: A) Heat. 29. Carbon chains are principal features of both carbohydrates and lipids. What is the primary difference between these two types of macromolecules? A) Lipids provide energy, but carbohydrates cannot. B) Carbohydrates form ring structures, lipids form long chains. C) Lipids always have longer carbon chains than carbohydrates. D) Carbohydrates cannot form rings like lipids can. Show Answer Correct Answer: B) Carbohydrates form ring structures, lipids form long chains. 30. Examples include:glucose and fructose, sucrose and maltose, starch and glycogen A) Alanine, serine. B) Extra energy, insulation, protection. C) Examples of carbohydrates. D) Triglycerides. Show Answer Correct Answer: C) Examples of carbohydrates. ← PreviousNext →Related QuizzesBiochemistry QuizzesAgriculture QuizzesBiochemistry Quiz 1Biochemistry Quiz 2Biochemistry Quiz 3Biochemistry Quiz 4Biochemistry Quiz 5Biochemistry Quiz 6Biochemistry Quiz 7Biochemistry Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books