Q: What is the spread of cancer cells beyond their original site called? Choices: - scattering - mutations - apoptosis - metastasis A:
metastasis

Q: What is the term for a structure within the cytoplasm that performs a specific job in the cell? Choices: - vacuole - nucleolus - molecule - organelle A:
organelle

Q: Bacteria break down the remains of digested food through a processed called what? Choices: - regulation - oxidation - synthesis - fermentation A:
fermentation

Q: What explains the spherical shape of ceres, once thought to be the largest asteroid? Choices: - orbital plane - space debris - low gravity - high gravity A:
high gravity