Q: Each nitrogenous base has one or two rings that include which atoms? Read this paragraph and choose the correct option from the provided answers: Choices: - oxygen - hydrogen - carbon - nitrogen A:
nitrogen

Q: What substances function as a long-term energy store in the human body and possess long carbon chains that prevent dissolving in water? Read this paragraph and choose the correct option from the provided answers: Triglycerides function as a long-term storage form of energy in the human body. Because of the long carbon chains, triglycerides are nearly nonpolar molecules and thus do not dissolve readily in polar solvents such as water. Instead, oils and fats are soluble in nonpolar organic solvents such as hexane and ethers. Choices: - hydrocarbons - steroids - nanoparticles - triglycerides A:
triglycerides

Q: What spreads sti during sexual contact? Read this paragraph and choose the correct option from the provided answers: STIs are diseases caused by pathogens that spread through sexual contact. Choices: - parasites - blood - viruses - pathogens A:
pathogens