Ivy Tech BIOL 105 Exam 1 Questions and Answers 100% Solved correctly

Why study biology? - Answer-We study biology to help us understand how we and our environment function separately and jointly. If we can better understand how everything functions, it can help improve not only our lives, but preserve the life of our environment. What questions about the natural world have biologists answered? - Answer-Biologists have been able to answer how our genes work, from how our cells translate our genetic code to an actual map of how our genetics are laid out. They've been able to answer how we get sick and the differences between bacterial and viral illnesses. Along with bringing to light how we get sick, they've answered how we can best avoid it as well as how to develop better treatment options. What questions or problems are current biologists working to solve? - Answer-One of the problems that biologists are trying to solve today is how to cure the illnesses we suffer from, such as viruses (HIV), or diseases where the body is killing itself (cancer, ALS). Other problems that biologists take care of include how to create crops that produce more and are able to live in harsher conditions. How would you describe the difference between something that is alive and something that is nonliving? Be able to explain each characteristic. - Answer-All living things contain cells, they grow, respond to stimuli, can adapt to change, consume some form of energy, and reproduce. How does a prokaryotic cell compare to a eukaryotic cell; similarities and differences? - Answer-A eukaryotic cell has a nucleus as well as organelles that are contained by a membrane, while a prokaryotic cell doesn't have either. There are also two types of prokaryotic cells, domain Bacteria and domain Archaea, where eukaryotic cells only have one type. Prokaryotic and Eukaryotic cells are similar in that they both have protective plasma membranes to keep things from it's environment out and they both contain DNA (it's just where the DNA is stored that's different). What is spontaneous generation? Is spontaneous generation possible? - Answer-Spontaneous generation is the idea of living organisms can come from nonliving matter. Spontaneous generation is not considered possible today. Who originally developed our taxonomic system? - Answer-Carl Linnaeus is seen as the original creator of the taxonomic system.How are organisms named and how are they written? - Answer-Organisms are named based on their genus and epithet. The genus is always put in front as well as capitalized, while the epithet is placed last and not capitalized. What does it mean to have a hierarchical system? - Answer-It means it's a system that groups broader species together and slowly groups them into more specific pairings.