Q: What are interferons? Choices: - T cells - oncogenes - pathogens - cytokines A:
cytokines

Q: Mitochondria are thought to have evolved from what kind of cells? Choices: - ancient ribosome - ancient phosphorylation - ancient matrix - ancient prokaryotic A:
ancient prokaryotic

Q: By breaking down wastes and remains of dead organisms, decomposers perform what function in an ecosystem? Choices: - reproduction - symbiosis - collecting - recycling A:
recycling

Q: Which metal is not solid at room temperature? Choices: - silver - aluminum - titanium - mercury A:
mercury