BIO 103: Comprehensive Final Exam Questions with Verified Solutions

BIO 103: Comprehensive Final Exam Questions with Verified Solutions What are the fundamental characteristics that define living organisms? They are organized, respond to stimuli, and acquire materials and energy from their environment. What is the basic unit of structure and function in all living things? The cell is the smallest unit of life that exhibits all the characteristics of life, consisting of a variety of molecules working together. What is the process by which atoms form molecules? Atoms combine with other atoms of the same or different elements to form molecules through sharing or exchanging electrons. 4. How do atoms strive for stability? Atoms seek to complete their outer shell by either giving up, accepting, or sharing electrons to achieve stability. 5. What is the atomic number of an atom best described as? The atomic number is the number of protons present in an atom's nucleus. 6. What defines a molecule? A molecule is a group of two or more atoms held together by covalent bonds. 7. What is a tissue in biology? A tissue is a group of similar cells that perform a specific function in an organism. 8. What does the term "hydrophobic" mean? Hydrophobic refers to substances that repel water or have a fear of water. 9. What does the term "hydrophilic" mean? Hydrophilic refers to substances that attract or love water. 10. What are neutrons? Neutrons are particles found in the nucleus