NUTR 400 Exam 2 Questions With Complete Solutions

Neutron correct answer: Subatomic particle found in the atom's nucleus Cation correct answer: Atom that has lost an electron Acid correct answer: Substance that releases hydrogen ions when dissolved Electron correct answer: negatively charged subatomic particle Atom correct answer: smallest unit of matter that retains its identity Which type of tissue provides structure to the body by binding and anchoring body parts? a. epithelial b. neural c. muscle d. connective correct answer: connective Which of the following cell structures is the major site of energy production? a. cell membrane b. ribosome c. lysosome d. nucleus e. mitochondria correct answer: mitochondria Salt is an example of a compound consisting of a. ionic bonds b. non polar covalent bonds c. polar covalent bonds d. double-O seven bonds correct answer: ionic bonds The octet rule describes the: a. tendency of atoms to "prefer" eight electrons in the valence shell. b. the movement of ions across the cell membrane c. polarity of covalent bonds d. regulation of the body's eight homeostatic systems correct answer: tendency of atoms to "prefer" eight electrons in the valence shell Which of the following terms describes a substance that resists changes in pH? a. alkaline b. buffer