Biology 2051Chapter 2 HW Assignment.docx

Biology 2051Chapter 2 HW Assignment.docx - 1 Using the...

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1. Using the periodic table as a tool, identify the atomic characteristic that would most quickly and efficiently identify any single element. a. Number of protons and electrons b. Number of neutrons c. Number of shells d. Number of neutrons and electrons 2. A significant role played by pH buffer is to a. Prevent fluctuations in the acidity of solutions b. Increase the strength of acids and bases c. Prevent fluctuations in the salinity of solutions d. Limit major shifts in the amount of H + and OH - in solution e. Keep pH low 3. What type of bonds form from the unequal sharing of electorns? a. Polar covalent b. Electrostatic c. Hydrogen d. Ionic e. Nonpolar covalent 4. The smallest functional unit and associated structures of a living organism are a. Molecules and their atoms, bonds and electrons b. Atoms and their protons, neutrons and electrons c. Proteins and amino acids d. Water made of hydrogen and oxygen e. Cells with nucleus, mitochondria, and ER 5.
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