BIOL 2401 STUDY GUIDE—EXAM 1 Textbook: Chapters 1 and 2 (pgs 1-61) 1. Biology is the 2. The oldest medical science is 3. Anatomy means Physiology means 4. An eponym is 5. The divisions of anatomy 6. List some subdivisions of anatomy. 7. List the subdivisions of physiology. 8. List the levels of organization: 9. Name the organ systems. 10. Homeostasis is 11. The two mechanisms involved in homeostatic regulation: 12. The parts of a regulatory mechanism 13. Negative feedback is 14. Thermoregulation is 15. Positive feedback is 16. What is the state of equilibrium? 17. Study the anatomical landmarks, regions, quadrants, and directional terms. 18. Distinguish these planes: Transverse, Sagittal, Frontal, Midsagittal 19. Differentiate the following: medial/lateral; proximal/distal; dorsal/ventral 20. List functions of body cavities: 21. The diaphragm is The mediastinum is Give the breakdown of the coelom. 22. What are the CAT, DSA, MRI, PET, and ultrasound? 23. Define: matter, atom, neutron, proton, electron, atomic number, electron cloud, element, isotope, mass number, radioisotopes, half-life, atomic weight, compound, molecule, reactive, inert, molecular weight. 24. What are deuterium and tritium? 25. What is an energy level and give the electron capacity of each. 26. What is a chemical bond? 27. What is an ionic bond? 28. Distinguish between an electron donor and an electron acceptor. 29. What is a covalent bond? 30. Distinguish between a polar covalent bond and a nonpolar covalent bond. 31. Compare the hydrogen bond to the covalent and ionic bonds. 32. What is surface tension? 33. List the states of matter 34. Define work and energy 35. Distinguish between potential energy and kinetic energy 36. Name the types of chemical reactions. Write an equation for each. 37. Define activation energy. 38. Distinguish between exergonic and endothermic reactions. 39. Distinguish between organic and inorganic compounds. 40. Define nutrient and metabolite. 41. Identify the properties of water that make it so important to the body 42. Identify the parts of a solution 43. What is the meaning of ionization? 44. What is the vital function of the electrolytes? 45. Hydrophilic is Hydrophobic is 46. Describe a colloid and a suspension. 47. pH is 48. What are the pH values of the following: neutral, acidic, basic? 49. Give the range of the pH scale. 50. Distinguish between an acid, a base, and a salt. 51. What role do buffers play? 52. A carbohydrate is 53. The three classes of carbohydrates are 54. What is glycogen? 55. How are disaccharides and polysaccharides formed? Write a reaction. 56. A lipid is 57. The five classes of lipids are 58. A prostaglandin is 59. What type of molecule is cholesterol? Name the two ways you can obtain cholesterol. 60. Give four reasons why steroids are so important to the body? 61. What is a structural lipid? 62. A protein is 63. List the categories of proteins 64. An amino acid is The constituents of amino acids are 65. Describe a peptide bond? 66. List the four levels of protein structure. 67. Distinguish between fibrous proteins and globular proteins. 68. The characteristics of enzymes are A substrate is An active site is 69. An example of a cofactor is An example of a coenzyme is 70. Denaturation is 71. What do glycoproteins and proteoglycans have in common? 72. Nucleic acids are The two nucleic acids are 73. Describe the structure of a nucleic acid 74. How do DNA and RNA differ? 75. A high-energy compound is 76. Distinguish between AMP, ADP, and ATP. What role does phosphorylation play in their structure? 77. Define metabolic turnover. 78. What is radiation sickness? 79. What is the turnover time for total protein in a muscle cell? 80. The turnover time for total protein in the liver is