This quiz works best with JavaScript enabled. Home > Agriculture > Biochemistry > General > Biochemistry – Quiz 19 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biochemistry Quiz 19 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is the process used to bond the monomers together? A) Hydrolysis. B) Dehydration Synthesis. C) Water Removal. D) Water Synthesis. Show Answer Correct Answer: B) Dehydration Synthesis. 2. Carbohydrates are more easily metabolized than lipids. However, on a gram-for-gram basis lipids provide cells with more- A) Energy. B) Nitrogen. C) Proteins. D) Structure. Show Answer Correct Answer: A) Energy. 3. What color changes the biuret reacton in the presence of NaOH and sodium-potassium tetrate? A) From blue to brown. B) From blue to purple. C) From blue to green. D) From blue to red. Show Answer Correct Answer: B) From blue to purple. 4. Guanine bonds with ..... A) Adenine. B) Cytosine. C) Thymine. D) Guanine. Show Answer Correct Answer: B) Cytosine. 5. Which is not a use or function of protein? A) Forms enzymes and hormones. B) Forms transport channel in cell membrane. C) Forms structural proteins in the body. D) Quick energy. Show Answer Correct Answer: D) Quick energy. 6. This polysaccharide is referred to as dietary fiber; helps aid in the digestive process in animals and humans. A) Triglyceride. B) Glycogen. C) Starch. D) Cellulose. Show Answer Correct Answer: D) Cellulose. 7. ..... are the main source of energy for cells. A) Nucleic acids. B) Lipids. C) Proteins. D) Carbohydrates. Show Answer Correct Answer: D) Carbohydrates. 8. Which of the following properties of water enables it to move from the roots to the leaves of plants? A) Water expands as it freezes. B) Water is an excellent solvent. C) Water exhibits cohesive and adhesive behavior. D) Water moderates temperature. Show Answer Correct Answer: C) Water exhibits cohesive and adhesive behavior. 9. Amino acids are joined together by chemical bonds. When these bonds are broken, the process is called A) Shortening. B) Coagulation. C) Denaturation. D) Gelatinisation. Show Answer Correct Answer: C) Denaturation. 10. A bond that is formed when a electron is transferred to form ions A) Ionic Bond. B) Covalent Bond. C) Metallic Bond. D) Barry Bonds. Show Answer Correct Answer: A) Ionic Bond. 11. Where do substrates bind on an enzyme? A) Voltage-gated channels. B) Active site. C) Surface receptor. D) Calcium channels. Show Answer Correct Answer: B) Active site. 12. What type of substance regulates the pH of the body by releasing and capturing H+ ions? A) Hydrogenators. B) Buffers. C) Neutralizers. D) Alkalines. Show Answer Correct Answer: B) Buffers. 13. He process to go from mRNA to a protein is called ..... A) Replication. B) Transcription. C) Translation. D) RRNA. Show Answer Correct Answer: C) Translation. 14. Animals store carbohydrates as ..... while plants store carbohydrates as ..... A) Glycogen, starch. B) Starch, glucose. C) Glycogen, glucose. D) Sugar, starch. Show Answer Correct Answer: A) Glycogen, starch. 15. A(n) ..... is a protein that speeds up that rate of a chemical reaction. A) Enzyme. B) Muscle. C) Alpha helix. D) Ketone. Show Answer Correct Answer: A) Enzyme. 16. What is the most common and most abundant disaccharide? A) Maltose. B) Sucrose. C) Glucose. D) Lactose. Show Answer Correct Answer: B) Sucrose. 17. Which statement about polymers is not true? A) Polymers consist of more than one type of monomer. B) Polymers are broken down through hydrolysis. C) Polymers are synthesized through dehydration synthesis. D) All are untrue. Show Answer Correct Answer: A) Polymers consist of more than one type of monomer. 18. Enzymes are examples of ..... A) Proteins. B) Nucleic acids. C) Carbohydrates. D) Lipids. Show Answer Correct Answer: A) Proteins. 19. Having meals high in protein and carbohydrates will provide the body with the following benefits ..... A) Build muscle and provides body with energy. B) Helps immune system and provides genetic information. C) Provides long term energy & increase the rate of reactions. D) Provides insulation & long term energy. Show Answer Correct Answer: A) Build muscle and provides body with energy. 20. These lipids are used for protection and keeping water inside of plants/insects. A) Waxes. B) Triglycerides. C) Steroids. D) Pigments. Show Answer Correct Answer: A) Waxes. 21. The main function of a carbohydrate is A) Immune system. B) Energy. C) Waterproofing. D) Storing genetic info. Show Answer Correct Answer: B) Energy. 22. What are the monomers of nucleic acids? A) Triglycerides. B) Nucleotides. C) Monosaccharides. D) Amino acids. Show Answer Correct Answer: B) Nucleotides. 23. Atoms joined together by SHARING electrons are? A) Ionic bonds. B) Covalent bonds. C) Metallic Bonds. D) James Bonds. Show Answer Correct Answer: B) Covalent bonds. 24. Glucose molecules commonly enter cells through A) Symports with Sucrose. B) Na/K Pump action. C) Antiports with Na+. D) GLUT4 Transporters. Show Answer Correct Answer: D) GLUT4 Transporters. 25. Denaturing an enzyme results in the enzyme's loss of: A) Ability to catalyze a reaction. B) Storage of inherited information. C) Storage of a large amount of chemical energy. D) Net electrical charge. Show Answer Correct Answer: A) Ability to catalyze a reaction. 26. Instant dipole - induced dipole forces are also called as A) Keesom force. B) Hydrogen bond. C) London dispersion forces. D) Hydrophobic bond. Show Answer Correct Answer: C) London dispersion forces. 27. Which of following are storage polysaccharides? A) Starch and glucose. B) Chitin and cellulose. C) Starch and glycogen. D) Chitin and glycogen. Show Answer Correct Answer: C) Starch and glycogen. 28. ..... are salts dissolved in the body that carry electrical impulses, like in the muscles and nervous system. A) Monosaccharides. B) Acids. C) Proteins. D) Electrolytes. Show Answer Correct Answer: D) Electrolytes. 29. Which is the characteristic of water? A) Non polar molecule. B) Amphiphatic. C) Amphiprotic. D) Bad solvent. Show Answer Correct Answer: C) Amphiprotic. 30. What is the bond called between a metal and a nonmetal? A) Atomic bonding. B) Covalent bonding. C) Ionic bonding. D) Hydrogen bonding. Show Answer Correct Answer: C) Ionic bonding. ← 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