Q: Ethers readily dissolve what type of molecules? Choices: - proteins - lipids - polar - non-polar A:
non-polar

Q: What is it called when one or more ending digits are dropped to get the correct number of significant figures? Choices: - basing - turning - scientific notation - rounding A:
rounding

Q: Q: Radon (rn) is a radioactive gas formed by the decay of naturally occurring uranium in rocks such as granite. it tends to collect in the basements of houses and poses a significant health risk if present in indoor air. many states now require that houses be tested for radon before they are what? Choices: - modified - seen - built - sold A:
A: sold

Question: Q: All cells have voltages across their what? Choices: - display membranes - ribosomes - nuclei - plasma membranes A:
Answer: plasma membranes

*Question*
Q: What kind of organism causes the often fatal lung disease tuberculosis? Choices: - pathogens - virus - algae - bacteria A:
**Answer**
bacteria

Q: Q: Nitrogen is an important macronutrient because it is part of nucleic acids and proteins. atmospheric nitrogen, which is the diatomic molecule n2, or dinitrogen, is the largest pool of nitrogen in these? Choices: - gas planets - desert biomes - aquatic ecosytems - terrestrial ecosystems A:
A: terrestrial ecosystems