BIO 114 Basic Concepts Assessment Questions with Complete Solved Solutions.

What is the branch of biology dealing with the processes, activities, and phenomena characteristic of life? - Answer physiology What are the common activities that must be carried out to sustain life? - Answer 1. Obtain materials with which to construct the body. 2. Obtain energy for construction, maintenance, and reproduction. 3. Exchange gases, principally carbon dioxide and oxygen, with the environment. 4. Regulate body composition by eliminating excess or undesirable materials and the waste products of body metabolism. 5. Distribute materials throughout the body. 6. Coordinate the activities of various parts of the body. 7. Defend the body against predators, parasites, and disease. 8. Reproduce. 9. Regulate growth and development of body parts. What levels of organization is biology studied at? - Answer atoms, small molecules, large molecules, cells, cell specialization, tissues, organs, and organisms What is an atom composed of? - Answer protons and neutrons at nucleus, and shells with electrons When is an atom stable? - Answer When the outer shell of electrons is filled (octet rule) What is a bond between nonmetals or metalloids that results in shared electrons? - Answer covalent bonds What kind of bond results when electrons are not shared equally, for example H20; have a partial charge? - Answer polar covalent bond