Bio 151: Exam 1: Ch.1 and Ch.2| Questions With 100% Correct Answers | Verified

Objects that are alive must have the ability to do what? - generate nearly exact copies of themselves and self-correct. Are complex molecules alive? Justify your answer. - no. because they lack one or both of the abilities to replicate and repair. What are the eight essential tasks that all cells must accomplish in order to survive? List them below then star the task that allows a cell to make a nearly exact copy of itself . - 1. maintenance of the internal environment 2. sensing the external environment 3. controlling the flow of molecules into and out of the cell 4. catalyzing chemical reactions 5. generating useful energy 6. storing genetic information *7. synthesis of biological molecules 8. regulating information flow What are the three domains of living organisms? - Bacteria, Archaea, Eukarya Which are the simplest form of cells, and what are their unique features? - Prokaryotes. -Have only one nucleus -All are unicellular -Do not divide by mitosis Which two domains of organisms belong to the prokaryotes? - bacteria and archaea Which type of cell is complex and capable of forming multi-cellular organisms? Is it an ancient or recent domain? - Eukaryotes, most recent domain.