Biology 219 Exam 1 Guide with Questions and Answers

Biology 219 Exam 1 Guide with Questions and Answers what are the three parts to the cell theory ANSWER 1. all cells come from other cells 2. all living things are made of cells 3. cells are the basic unit of life what is in a cell ANSWER organelles, macromolecules, water, ions, salts/vitamins four macromolecules ANSWER proteins, lipids, carbohydrates, nucleic acids what do cells do? ANSWER respire, reproduce, react (chemical and mechanical), respond, regulate can order come from disorder ANSWER yes life is what kind of property ANSWER emergent property how many covalent bonds can carbon make to other atoms? ANSWER 4 is less energy more or less stable ANSWER more stable -usually have to add energy to break stable bonds ionic bonds ANSWER donate electrons, create ions that attract each other