Q: What do voltmeters measure? Choices: - temperature - amplitude - frequency - voltage A:
voltage

Q: The basal forebrain contains what that are important in learning and memory? Choices: - oxygen - ribosomes - atoms - nuclei A:
nuclei

Q: What is a biochemical compound that is a chain of amino acids called? Choices: - DNA - lipids - hormones - proteins A:
proteins

Q: The sun emits energy in the form of what? Choices: - mechanical radiation - particles radiation - microwave radiation - electromagnetic radiation A:
electromagnetic radiation