Answer the following question given this paragraph: The phagocytes that are part of the body's second line of defense attack any pathogens they encounter. They provide a general defense. Some white blood cells attack only certain pathogens. They provide a specific defense. Q: The phagocytes that are part of the body's second line of defense attack any of what that they encounter? Choices: - viruses - vaccines - parasites - pathogens A:
pathogens

Answer the following question given this paragraph: Q: Name the process that produces many copies of a certain gene. Choices: - gene diversion - gene multiplication - gene addition - gene cloning A:
gene cloning

Answer the following question given this paragraph: Solutions of Liquids in Liquids We know that some liquids mix with each other in all proportions; in other words, they have infinite mutual solubility and are said to be miscible. Ethanol, sulfuric acid, and ethylene glycol (popular for use as antifreeze, pictured in Figure 11.14) are examples of liquids that are completely miscible with water. Two-cycle motor oil is miscible with gasoline. Q: Liquids that mix with each other in all proportions are said to be miscible, maning they have infinite mutual what? Choices: - viscosity - insolubility - salinity - solubility A:
solubility