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Transcript
BIO 101 Exam 2 Practice Quiz Name ______________________ You will be able to use a periodic table for your exam. Multiple Choice 1. What is the weakest type of chemical bond? a. Covalent b. Ionic c. Hydrogen d. All of the above. 2. _____ differ in the number of neutrons they contain, but all have the same chemical properties. a. Isotopes b. Organic Molecules c. Amino Acids d. Macromolecules 3. The atomic number for Neon is a. 13 b. 22 c. 10 d. 44 4. The outermost electron shell of magnesium would have _____ electrons. a. 2 b. 5 c. 7 d. 9 5. Which of the following is not a macromolecule? a. Proteins b. Nucleic Acids c. Water 6. Lipids are used for a. structure and energy. c. energy storage and for hormones. b. information storage. d. enzymes and for hormones. 7. Carbohydrates are made of a. Amino acids. b. Sugars. 8. DNA and RNA are types of a. Carbohydrates. b. Lipids c. Peptide bonds. c. Amino Acids. True/ False 9. The atomic symbol for gold is Au. 10. Atoms can share or give electrons. 11. Covalent bonds form when atoms share electrons. 12. Elements on the right side of the periodic table tend to give away electrons. d. Carbohydrate d. Nucleic acid. d. Nucleic acids.