Q: Q: What kind of diseases involve the immune system accidentally attacking healthy body cells? Choices: - contagious diseases - metabolic - inflammation - autoimmune A:
A: autoimmune

Q: Q: What term is used to describe the cellular structures responsible for protein synthesis? Choices: - chromosomes - chloroplasts - nuclei - ribosomes A:
A: ribosomes

Q: Q: Light waves which interfere with themselves after interaction with a small aperture or target are said to what? Choices: - refract - adduce - reflect - diffract A:
A: diffract

Q: Q: When the hydrogen is nearly used up, the star can fuse which element into heavier elements? Choices: - carbon - xenon - oxygen - helium A:
A: helium