Question: Answer the following question given this paragraph: Enzymes are proteins that speed up biochemical reactions in cells. Antibodies are proteins that target pathogens for destruction. Q: What are the proteins called that speed up biochemical reactions in cells? Choices: - peptides - hormones - carbohydrates - enzymes A:
Answer: enzymes

Question: Answer the following question given this paragraph: Health care has been improving over the most recent centuries. Vaccines were developed that could prevent many diseases ( Figure below ). Antibiotics were discovered that could cure most infections caused by bacteria. Together, these two advances saved countless lives. Q: Antibiotics can cure most infections that are caused by what? Choices: - bacterium - algae - bile - bacteria A:
Answer: bacteria

Question: Answer the following question given this paragraph: Giant elliptical galaxies contain over a trillion stars. Elliptical galaxies are red to yellow in color because they contain mostly old stars. Most contain very little gas and dust because the material has already formed into stars. Q: Which type of galaxies contain very little gas and dust, are red to yellow in color, contain over a trillion stars and have mostly old stars? Choices: - blue elliptical galaxies - giant orbital galaxies - giant gaseous galaxies - giant elliptical galaxies A:
Answer:
giant elliptical galaxies