This quiz works best with JavaScript enabled. Home > Biochemistry > General > Biochemistry – Quiz 36 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biochemistry Quiz 36 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Sugars usually end in ..... A) -ose. B) -ace. C) -ats. D) -ids. Show Answer Correct Answer: A) -ose. 2. What is/are the main elements of hydrocarbons A) Oxygen. B) Hydrogen. C) Nitrogen. D) Hydorgen and Carbon. Show Answer Correct Answer: D) Hydorgen and Carbon. 3. Which of the following is not a job of a protein A) Act as hormones and enzymes. B) Do much of the work in cells and transport materials. C) Build tissues and muscles. D) Store and transmit genetic information. Show Answer Correct Answer: D) Store and transmit genetic information. 4. Bond angle of water A) 104.6 degrees. B) 105.4 degrees. C) 102.5 degrees. D) 104.5 degrees. Show Answer Correct Answer: D) 104.5 degrees. 5. A scientist removed the cell membranes from bacteria cells in a culture. She analyzed the cell membranes for specific molecules. Which of these was probably the most common type of molecule present in the bacteria cell membranes? A) Lipid. B) Amino Acid. C) Nucleic Acid. D) Carbohydrate. Show Answer Correct Answer: A) Lipid. 6. A substance with a pH of 4 is considered a(n) A) Base. B) Neutral. C) Acid. D) None of above. Show Answer Correct Answer: C) Acid. 7. What molecule is a ringed structure with carbon and nitrogen alternating in the ring. It may be a single ring of a double ring? A) Carbohydrate. B) Nitrogenous base. C) Nucleotide. D) Amino acid. Show Answer Correct Answer: B) Nitrogenous base. 8. Water has both a positive and negative side. We call it ..... A) Polar. B) Non-Polar. C) Soluble. D) Hydrogen Bond. Show Answer Correct Answer: A) Polar. 9. PH is the measure of ..... in solution. A) OH-. B) H+. C) NaCl. D) Electrons. Show Answer Correct Answer: B) H+. 10. Example of bioinorganic substances A) Water. B) Inorganic salts. C) All of the above. D) None. Show Answer Correct Answer: C) All of the above. 11. Potassium iodide has to be added to prepare an iodine solution as A) It helps iodine to solubilize. B) It forms triodide ion which is soluble in water. C) Iodine itself is sparingly soluble in water. D) All of these. Show Answer Correct Answer: D) All of these. 12. Which best explains the function of the sequence of nucleotides? A) It provides energy. B) It carries genetic information. C) It allows DNA to be successfully copied. D) It determines the shape of the DNA molecule. Show Answer Correct Answer: B) It carries genetic information. 13. These organic molecules are used by the body to store the genetic code. A) Carbohydrates. B) Lipids. C) Proteins. D) Nucleic Acids. Show Answer Correct Answer: D) Nucleic Acids. 14. The major site of metabolism occurs in: A) Large intestine. B) Small and large intestine. C) Small intestine. D) Intesine. Show Answer Correct Answer: C) Small intestine. 15. Which type of food gives you the most carbs? A) Salad and spaghetti. B) Steak and shrimp. C) Cheese and avocados. D) Peanut butter. Show Answer Correct Answer: A) Salad and spaghetti. 16. C6H12O6 is the formula for which sugar? A) Glucose. B) Frucotose. C) Maltose. D) Sucrose. Show Answer Correct Answer: A) Glucose. 17. Which of the following environmental factors does NOT affect enzyme function? A) Enzyme or substrate concentration. B) PH. C) Temperature. D) All of the above affect enzyme function. Show Answer Correct Answer: D) All of the above affect enzyme function. 18. Which of the following vitamins play a very key role in eyesight including night vision and color recognition? A) Vitamin A. B) Vitamin B. C) Vitamin K. D) All of the above. Show Answer Correct Answer: A) Vitamin A. 19. Study about the chemical process in living things refers to? A) Biology. B) Biomolecules. C) Biochemistry. D) Chemistry. Show Answer Correct Answer: C) Biochemistry. 20. Which energy level has the highest amount of energy? A) First shell (closest the nucleus). B) Second shell. C) Third shell (farthest from nucleus). D) None of above. Show Answer Correct Answer: C) Third shell (farthest from nucleus). ← PreviousNext →Related QuizzesBiochemistry QuizzesBiochemistry Quiz 1Biochemistry Quiz 2Biochemistry Quiz 3Biochemistry Quiz 4Biochemistry Quiz 5Biochemistry Quiz 6Biochemistry Quiz 7Biochemistry Quiz 8Biochemistry Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books