This quiz works best with JavaScript enabled. Home > Biochemistry > General > Biochemistry – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Biochemistry Quiz 1 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the name of the smallest unit that can carry out all activities associated with life? A) The atom. B) The tissue. C) The cell. D) The organelle. Show Answer Correct Answer: C) The cell. 2. What suffix is used in the names of most carbohydrates? A) -ase. B) -nic. C) -ose. D) -yme. Show Answer Correct Answer: C) -ose. 3. With what 3 letters do enzymes typically end? A) -ose. B) -ase. C) -ese. D) -tic. Show Answer Correct Answer: B) -ase. 4. Which of the following is not a product of glycolysis? A) FADH2. B) NADH. C) ATP. D) Pyruvate. Show Answer Correct Answer: A) FADH2. 5. A degradative process such as cellular respiration can also be known as ..... A) Catabolic pathway. B) Kinetic pathway. C) Endergonic pathway. D) Anabolic pathway. Show Answer Correct Answer: A) Catabolic pathway. 6. Why is carbon such an important atom? A) It's atom number 6 on the periodic table. B) It's found in organic compounds. C) It must easily forms hydrogen bonds with water in our bodies, which helps water become more soluble. D) It readily forms bonds with itself and other atoms because of its desire to get 4 more valence electrons. Show Answer Correct Answer: D) It readily forms bonds with itself and other atoms because of its desire to get 4 more valence electrons. 7. The ..... on the enzyme is where the chemical reaction actually occurs. A) Active site. B) Substrate. C) Chemical body. D) Mouth. Show Answer Correct Answer: A) Active site. 8. Lactose is found in ..... A) Milk. B) Vegetables. C) Fruits. D) All of the above. Show Answer Correct Answer: A) Milk. 9. Enzymes speed up chemical reactions by ..... A) Lowering the potential energy. B) Lowering the activation energy. C) Raising the specific heat. D) Altering the pH. Show Answer Correct Answer: B) Lowering the activation energy. 10. Which group consists entirely of organic molecules? A) Protein, oxygen, fat. B) Protein, starch, fat. C) Water, carbon dioxide, oxygen. D) Water, starch, protein. Show Answer Correct Answer: B) Protein, starch, fat. 11. The function of nucleic acids is to ..... A) Main source of energy & provide structural support. B) Store energy, provide and steroids. C) Transport substances, speed up reactions, provide support, fight disease, regulate cell processes, and provide hormones. D) Stores, transmits, & communicates genetic information. Show Answer Correct Answer: D) Stores, transmits, & communicates genetic information. 12. What is a monomer of nucleic acids made of 3 parts, a 5-carbon sugar, a phosphate group and a nitogenous base A) DNA. B) Nucleotide. C) Deoxyribose. D) RNA. Show Answer Correct Answer: B) Nucleotide. 13. How does your body use lipids? A) Primary source of energy. B) Energy storage and insulation. C) Speeds up chemical reaction. D) Defense. Show Answer Correct Answer: B) Energy storage and insulation. 14. With waht reacts tyrosine? A) Carboxyl group. B) Millon's reagent. C) Millon's agent. D) Nitrogen. Show Answer Correct Answer: B) Millon's reagent. 15. Which of these atoms is NOT found in a Carbohydrate? A) Carbon (C). B) Oxygen (O). C) Hydrogen (H). D) Phosphorous (P). Show Answer Correct Answer: D) Phosphorous (P). 16. Which of these is broken down into pyruvic acid? A) Glucose. B) Oxygen. C) Water. D) None of above. Show Answer Correct Answer: A) Glucose. 17. The basic building block of carbohydrates A) Nucleotides. B) Amino acids. C) Monosaccharides. D) Fatty acids. Show Answer Correct Answer: C) Monosaccharides. 18. Also known as "Suicidel bags" of the cell. Rich in hydrolitic enzymes and macrophages A) Peroxisomes. B) Lysosomes. C) White blood cells. D) Golgi Apparatus. Show Answer Correct Answer: B) Lysosomes. 19. What is the monomers for carbohydrate? A) Amino acid. B) Glucose. C) Polypeptide. D) Monosaccharides. Show Answer Correct Answer: D) Monosaccharides. 20. RNA contains the sugar A) Ribose. B) Deoxyribose. C) Glucose. D) Lactose. Show Answer Correct Answer: A) Ribose. Next →Related QuizzesBiochemistry QuizzesBiochemistry 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