Bio-112 Exam 1 Guide 2024

What is an emergent property? - Correct Answer When two or more things come together, they develop a new property that was absent in the individuals. Structure determines what? - Correct Answer function What are the fundamental structural and functional units of life? - Correct Answer cells What is the lowest level of organization that can perform all the activities required for life? - Correct Answer cells What are two properties found in all cell types? - Correct Answer 1. Enclosed by a membrane 2. Use DNA as their genetic information What are the differences between prokaryotic and eukaryotic cells? - Correct Answer Eukaryotic cells are larger than prokaryotic cells. Prokaryotic cells do not contain membrane-bound organelles. What are three criteria used to consider something as information? - Correct Answer 1. It must be stored for later use. 2. Its content has to be communicated. 3. It has to be implemented or interpreted at some point in time. How does energy flow through an ecosystem? - Correct Answer It is a one-way stream from primary producer to various consumers. It enters as light energy and exits in the form of heat. What are the 3 domains of life? - Correct Answer Bacteria, Archaea, Eukarya What are examples of bacteria? - Correct Answer E. coli; staph, strep What are examples of archaea? - Correct Answer extremophiles such as halophiles and thermophiles What are examples of eukarya? - Correct Answer plants, fungi, animals, protists What does natural selection mean? - Correct Answer Describes the process whereby organisms better adapted to their environment tend to survive and produce more offspring. What is the mass number? - Correct Answer the total number of protons and neutrons in a nucleus. What is the atomic number? - Correct Answer the number of protons in an atom