| A | B |
|---|
| prokaryotic | cells that do not contain a nucleus |
| eukaryotic | cells that contain a nucleus |
| asexual reproduction | process by which a single parent can reproduce by itself |
| sexual reproduction | reproduction as a result of the genetic combination of two individuals |
| interphase | period of cell cycle between divisions when DNA replicates and cell grows |
| prophase | nuclear membrane and nucleolus disappear adn chromatin condenses |
| metaphase | chromosomes line up along the equator of a cell |
| anaphase | chromosome pairs separate and move towar opposite poles |
| telophase | nuclear membrane reforms in this final phase of mitosis |
| mitosis | cell division that results in two identical cells |
| haploid | refers to a cell that contains only a single set of chromosomes |
| diploid | refers to a cell that contains two sets of chromosomes |
| pathogen | a substance or organism that causes an infectious disease in other organisms |
| nonspecific immune response | the general cellular or chemical response of the immune system |
| specific immune response | cellular or chemical response of the immune response to a specific pathogen |
| antigen | substance that triggers an immune response |
| antibody | protein that helps destroy pathogens |
| vaccine | contains a dead or weakened pathogen that increases a person's immunity |
| allergy | overreaction of the immune sytem to harmless substances |
| autoimmune disease | when the immune system |
| HIV | virus that progressively weakens the immune system |
| lymph node | mass of tissue through which the lymph ducts drain |
