Q: Some enzymes require the presence of a non-protein molecule to function properly. what is that molecule called? Choices: - substrate - coenzymes - prothetic - cofactor A:
cofactor

Q: The cell wall acts as an extra layer of protection, helps the cell maintain its shape, and prevents what? Choices: - extinction - exhaustion - Respiration - dehydration A:
dehydration

Q: Extrusive igneous rocks are also called what? Choices: - metamorphic - agates - magma minerals - volcanic rocks A:
volcanic rocks